The probability that the mean of the repair bills for 12 microwave ovens will be greater than $60 is 0.015 or about 1.5%.
What is Probability?The distribution of the sample means for repair costs of 12 microwave ovens can be approximated to a normal distribution, with a mean of the population repair cost, μ = $55 and a standard deviation of the sample mean, σ/√n = $8/√12 ≈ $2.31.
We need to find the probability that the sample mean is greater than $60. Using the formula for z-score:
z = (x - μ) / (σ / √n)
= (60 - 55) / (2.31)
≈ 2.16
We can look up the area under the standard normal distribution curve for z-score 2.16 in a z-table or calculate it using software. The probability is approximately 0.015.
Therefore, the probability that the mean of the repair bills for 12 microwave ovens will be greater than $60 is 0.015 or about 1.5%.
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Optimum engine oil pressure at operating temperature and moderate engine load should be __________ ps
Answer:
What Is Normal Oil Pressure Temperature? Oil temperatures typically range from 200 degrees to 200 degrees Fahrenheit, depending on the weather. The oil pressure ranges from 100psi to 10-15psi depending on the weather at start up.
Explanation:
g ideal air conditioner maintains a house at 20 by dumping heat into the atmosphere at 40 this refrigerator has a coefficient of performance of
AnsweCalculate a heat pump's coefficient of performance. ... Heat pumps, air conditioners, and refrigerators utilize heat transfer from cold to hot.Explanation:
A cat is fed a diet designed for dogs. Which amino acid is most likely to be deficient in this cat's diet?
Answer:
Your cat may also be a risk of a taurine deficiency if he or she enjoys sampling your dog's food. Dog food doesn't contain taurine, as dogs can create their own supply of the amino acid. Although your cat may like the taste, a steady diet of dog food is a bad idea
hope this helps
which kind of the crystal structure has the feweest slip direction and therefore the metals with this structures are the generally more difficult to deform at room temperature ?
Answer:
HCP
Extra -> BCC the most, FCC between
Explanation:
A strong thunderstorm just knocked out the power of the entire space center. Who should the team contact to make sure their equipment is still in working order?
the Mission Control Center
CAPCOM
Ground Control
the Flight Director
The flight director manages the flight controllers who work in the Mission Control Center. Flight director make sures the International Space Station is operated safely or not. He leads the planning and coordination of all activities. He approves any procedures to protect the space station and crew. Thus the correct option is D.
What is the function of ground control team?The GC team is responsible for the ground systems infrastructure and ground communications necessary to perform planning, training, testing, execution and evaluation of human spaceflight mission operations.
Capcoms represent both the technical control team on the ground and astronauts in orbit.
A mission control center is a facility that manages space flights, usually from the point of launch until landing or the end of the mission. It is part of the ground segment of spacecraft operations.
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I have 5 apples and i ate 4. how many apple i have?
Answer:
I think you have 5 apples because I don’t think you said you even had any.
Explanation:
I think you would have 5 left.
The center of gravity method considers a greater number of location factors than the break-even analysis. True False
The center of gravity method considers a greater number of location factors than the break-even analysis: B. False.
What is the break-even analysis?
Break-even analysis is also referred to as cost-volume-profit analysis and it can be defined as a financial accounting technique that is used to determine the number of units (products) which a business firm must sell at a specific price, either on a monthly or annual basis, so as to cover all of its costs.
Unlike the center of gravity method, the break-even analysis considers a greater number of location factors to determine the number of units (products) which a business firm must sell at a specific price.
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Nisha has been a journalist all her life, mostly covering space missions and news, but has recently had twins and is looking for a career change. For this season of life, she’s more interested in working with other people’s writings and getting them in front of readers. Which career path might be a good fit for Nisha right now?
data science
space law
software engineering
space publishing
determine the components of each reaction at the ball and socket joint A and the tension in each cable necessary for equilibrium of the rod
The components of the reaction force in a ball and socket joint include the horizontal and vertical reaction forces.
What is a reaction force?A reaction force is an equal but oppositely directed force which forms a pair which the applied or action force.
Tension is a type of force which is present in a string or a rope supporting a body or object.
A ball and socket jont is a type of joint in the body which is able to rotate freely about an axis.
The components of the reaction force in a ball and socket joint include the horizontal and vertical reaction forces.
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A small county board is composed of three commissioners. Each commissioner votes on measures presented to the board by pressing a button indicating whether the commissioner votes for or against a measure. If two or more commissioners vote for a measure, it passes. Design a logic circuit that takes the three votes as inputs and lights either a green or a red light to indicate whether a measure passed.
The common sense circuit. noun. a digital circuit utilized in computer systems to carry out a logical operation on its or extra enter signals. There are six simple circuits, the AND, NOT, NAND, OR, NOR, and unique OR circuits, which may be blended into extra complicated circuits.
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A solid line and a broken line painted on the center of a two-lane highway means passing is.
Answer:
not allowed when the solid line is on your side
Explanation:
contrast moral and immoral creativity and innovation
Moral creativity and innovation are based on original discoveries, whereas immoral innovation is based on unscrupulous actions.
What is innovation?Innovation refers to the practices aimed at developing new products and services for the well-being of society.
Moral innovation is an expression generally used to describe technological advancements based on intellectual property rights.
In conclusion, moral creativity and innovation are based on original discoveries, whereas immoral innovation is based on unscrupulous actions.
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How long does it take to freeze a 100 mm diameter sphere of pure Aluminum in a plaster mold assuming: a. No superheat and neglecting the heat flow divergence (contour effects) b. No superheat and considering heat flow divergence c. What is the error for neglecting contour effects
Answer:Pressure = 11.38 psi
Force = 13.981 Ibf
Explanation: your welcome ;)
How many hours must be traveled by car for each hour of rock climbing to make the
risks of fatality by car equal to the risk of fatality by rock climbing? (FAR for car
travelling is 52 and FAR for rock climbing is 3400).
The number of hours that must be travelled by car to make the risks of fatality by car equal to the risk of fatality by rock climbing is = 65hours
Calculation of risk of fatalities (FAR)The FAR of car = 52
This means for every one hour there is risk of 52 people dying by car accident.
The FAR of rock climbing = 3400
This means that for every one hour there is risk of 3400 dying by car accident.
If FAR for 1 hour = 52
X hours = 3400
Make X the subject of formula,
X hours = 3400/52
= 65 hours approximately
Therefore, the number of hours that must be travelled by car to make the risks of fatality by car equal to the risk of fatality by rock climbing is = 65 hours.
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What is the minimum level of isolation required on T2 such that T2 never sees a value of zero in its output
Answer:
The speed is minimum at t = 4 seconds.
The position function of a particle is given by
The velocity is given as,
Speed is computed as,
Differentiate above expression and equate to zero.
Thus, speed is minimum at t = 4 seconds.
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Explanation:
As you push a toggle bolt into a wall, the
toggle collapses through the wall then does
which of the following?
analysis of structure
How do you calculate the integral vector field F(x,y) = (-2y-4πy²sin(πx) + (4xsen(πy)) I+ (-2x+8ycos(πx) +2πx²cos (πy)) j along the parameterized c curve r(t) = ((t-1) ^10, sin(π/t) with 1
Answer:
first one is (a) next one is (b)
Explanation:
please within 40 min.could anyone help me?
Answer:
first one is (a) next is (b)
Explanation:
A binomial probability experiment is conducted with the given parameters. n=12, p=0.45, x<4 compute the probability of x success in the n independent trials of the experiment
a binomial probability experiment is conducted with the given parameters compute the probability of X successes in the n independent trials with experiment
Answer:0.1088 or 10.88%
Step-by-step
q = 1 - 0.35 = 0.65
P(X=2) = 12C2 × (0.35)² × (0.65)¹⁰
= 0.1088
Explanation:
how does error detection take place
Answer: To detect and correct errors, additional bits are added to the data bits at the time of transmission. The additional bits are called parity bits. They allow detection or correction of errors. The data bits along with the parity bits form a code word.
Explanation:
The formation of frost on an airplane wing will cause A. a change in the basic aerodynamic shape if the wing. B. a disruption in the smooth airflow over the wing. C. the airplane to become airborne at a slower speed.
The formation of frost on an airplane wing will cause disruption in the smooth airflow over the wing.
What is the formation of frost about?In Frost formation, it does not alter the basic aerodynamic shape of the wing, but the roughness of its surface leads to the smooth flow of air, and it is one that will lead to an increase in drag and an early airflow separation over the wing, leading to a loss of lift.
Therefore, The formation of frost on an airplane wing will cause disruption in the smooth airflow over the wing.
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What characteristic may make you likely to pursue a career in space publishing?
You love creating, running, and troubleshooting new algorithms and exploring the patterns that the algorithms discover.
You enjoy both the subject matter of space science but also the research around the audience that reads this work and what topics will interest them.
You have strong opinions about where a country’s airspace ends and outer space begins, and are comfortable defending your views.
You have studied ways to improve user interface design with respect to NASA’s most current technologies.
To pursue a career in space publishing the interest in the subject and the research about the interesting topics is most likely the reason a person can choose this option. Thus, option B is accurate.
What is space publishing?Space publishing is a career option that involves the space sciences and education that are brought together to make the content and texts that are related to the space.
It can be a good option for a professional career if the person is interested in learning and exploring the space sciences and will like to work in this field to enlighten the audience.
Therefore, option B. interest in space science will be the best reason to pursue a career in space publishing.
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a 230v shunt motor delivers 30hp at the shaft at 1120rpm. if the motor has an efficiency of 87% at this load, determine: the total input power the line current
Shunt motors are direct current motors that have parallel windings with identical voltage. The total input power of the shunt motor is 25.724 kW and the line current will be 111.843 A.
What are input power and line current?Total input power is the ratio of the output power and the efficiency, while the line current is the proportion of input power to an input voltage.
The total input power (total IP) is calculated as:
Given,
Output power (OP) = 30 hp
Efficiency = 0.87
Substituting values:
[tex]\begin{aligned}\text{Total IP} &= \rm \dfrac {OP}{efficiency}\\\\&= \dfrac {30 \times 746 \rm \;watts}{0.87}\\\\&= 25.724 \;\rm kW \end {aligned}[/tex]
Line current is calculated as:
Given,
Input power (IP) = 25.724 kW
Input voltage (IV) = 230 Volt
Solving for line current:
[tex]\begin{aligned} \text{Line current} &= \rm \dfrac{IP}{IV}\\\\&= \dfrac{25.724 \times 10^{3}}{230}\\\\&= 111.843 \;\rm A \end{aligned}[/tex]
Therefore, the total input power of the shunt is 25.724 kW, and the line current is 111.843 A.
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What characteristic may make you likely to pursue a career in data science?
You are able to talk comfortably to anyone in a room, even if you have never met them.
You are motivated to. create databases to house disparate pieces of information.
You are a seasoned air traffic controller with more than 10 years of experience.
You prefer to present your ideas visually with charts, graphs, and reports.
You are motivated to create databases to house disparate pieces of information. Thus the correct option is B.
What is data science?
Data science is the field of study which combines domain expertise, programming skills, and knowledge of mathematics and statistics to extract meaningful insights from data.
The continually increasing access to data is possible due to advancements in technology and collection techniques. Individuals buying patterns and behavior can be monitored and predictions made based on the information gathered in data science.
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Your company bought a foundry and decided to make I-beams for the construction industry. You look at the foundry's continuous caster and realize that it doesn't produce an I.
am shape. Your supervisor would like to know which joining and molding method the company should use for making I-beams. You recommend what?
what are the elements of parallel computing
Elements of Parallel Computing:-
Computer systems organization. Dependable and fault-tolerant systems and networks.
Computing methodologies. Parallel computing methodologies. ...
General and reference. Cross-computing tools and techniques. ...
Networks. Network performance evaluation.
Software and its engineering. ...
Theory of computation.
Write a Person class with a constructor that accepts the following details:
1. First name
2. Middle name
3. Last name
4. Date of birth (entered in this pattern 22-02-2000)
5. Gender (male, female)
6. Identity number (private attribute)
7. Mobile number (if any)
Provide a method getAge that calculates the persons' age from his date of birth.
If the user provided his mobile number you have to check if it is a valid number with the pattern 999-
999-9999 if not, show him an error message and do not save the number Provide a method getAge that calculates the persons' age from his date of birth.
If the user provided his mobile number you have to check if it is a valid number with the pattern 999-
999-9999 if not, show him an error message and do not save the numberWrite two classes called Student and College that represents a student and a college in a university. College class: - The constructor of the College class should accept the name of the college and the capacity, and you have to generate a shortcut of the name by taking the first character of each word in the name (e.g., Information Technology becomes IT). - Provide a method called updateTotalStudents that increments the total number of students at this college. You have to check if the total number is in the range of the capacity, if not you have to present a suitable message for the student and let him/her choose another college. You can set the capacity as 3 students for testing purposes. - Provide a method called getInfo that prints the information about specific college in a wellorganized appearance.
The person class is an illustration of constructors;
In computer programs, constructors are automatically called when the object of a class is created
The program in C++The class and the constructor program written in C++ programming language is as follows:
int main(){
string fname, lname,dob,idno,mobileno;
cin>>lname; cin>>fname; cin>>dob; cin>>idno; cin>>mobileno;
Person c(fname,lname,dob,idno,mobileno);
if(mobileno.length() == 12){
if(mobileno[3] == '-' && mobileno[7] == '-'){
cout << "Name: " << c.getfname() << " " << c.getlname() << endl
<< "Date of birth: " << c.getdob() << endl
<< "ID number: " << c.getid() << endl
<< "Mobile: " << c.getmobile() << endl
<< "Age: "<< getAge(dob)<<endl;
;
}
}
The complete program is added as an attachment
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As shown in Fig. 1, the Cauchy stress tensor of a plane stress state at a material point is given as
(image below)
1. Draw its Mohr’s circle;
2. Find all the principal stresses and maximum and minimum shear stresses;
3. The corresponding θp and θs;
4. Use the method of pole to draw the element in the physical space in the principal directions and in the maximum/minimum shear stress directions.
Is reinforcement needed in a retaining wall
