Answer:
0.02< P-value<0.04
Step-by-step explanation:
Since this P-value is less than the usual significance level of 0.05, we would reject the null hypothesis and conclude that there is evidence of a difference between the true population mean and 36 at the 0.05 level of significance.
What is hypothesis testing?Hypothesis testing is a statistical method that is used to make decisions about a population based on a sample of data.
It involves testing a null hypothesis (H0) against an alternative hypothesis (Ha) using statistical techniques.
We have,
To find the P-value for Jasper's test, we need to use the t-distribution with degrees of freedom (df) equal to the sample size minus one,
which is 16-1=15 in this case.
Using a t-table or a calculator, we can find that the two-tailed P-value for t=2.4 with df=15 is approximately 0.029.
This means that if the null hypothesis is true (i.e., if the true population mean is 36), the probability of observing a sample mean as extreme as or more extreme than the one obtained by Jasper is 0.029.
Thus,
Since this P-value is less than the usual significance level of 0.05, we would reject the null hypothesis and conclude that there is evidence of a difference between the true population mean and 36 at the 0.05 level of significance.
Learn more about hypothesis testing here:
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A number c minus 12 is greater than 4.
Answer:
C is equal to any number that is greater than 16.
Step-by-step explanation:
1. c - 12 > 4
2. c > 16
A. 225
B. 25
C. 150
D. 50
Step-by-step explanation:
V=1/3hπr².
(h=3cm, r=5²cm
V= 1/3 x 3 x π x 5²
V= 25π
Math in My World
Example 1
Blair is arranging 18 cupcakes on a shelf. Find the
factors of 18. Use arrays to find the factors.
Answer:
445455
Step-by-step explanation:
The smallest angle of rotational symmetry for a regular polygon is 30°. how many sides does the regular polygon have? 9 12 20 30
The regular polygon must have 12 sides so the smallest angle of rotational symmetry is 30°
How many sides the polygon have?We know that the smallest angle of rotational symmetry is 30°, then the exterior angles must measure that.
Remember that the sum of the exterior angles of a regular polygon must be equal to 360°, then we have:
360° = n*30°
Where n is the number of sides
Solving for n we get:
n = 360°/30° = 12
We conclude that the regular polygon has 12 sides.
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Answer: B. 12
Step-by-step explanation: On Edge!!!
Paloma is visiting a new city on vacation. she plans to rent a segway to tour the downtown area. the rental service charges $25 for the first half hour and $5.25 for each half hour after that. how much will it cost for paloma to use the segway for 8 hours?
a.$103.75
b.$40.75
c.$84.00
d.$72.25
A letter is chosen at random from the word CALIFORNIA. Find the probability of all the letters in the word
Answer:
C - 1/10A - 2/10L - 1/10I - 2/10F - 1/10O - 1/10R - 1/10N - 1/10Do not put A and I more than once, we already measured it before.
10 letters in all
Find how many there are per letter
C - 1/10
A - 2/10
L - 1/10
I - 2/10
F - 1/10
O - 1/10
R - 1/10
N - 1/10
How many possible outcomes if I choose an odd number between 0 and 10 and a letter of an alphabet?
Answer:
104, with the assumption that "an alphabet" is the English alphabet
Step-by-step explanation:
26*4
Please help work this equation
Step-by-step explanation is needed.
100 points
5 stars ⭐️ ⭐️⭐️⭐️⭐️
And a thanks
Hi!
Given these two equations:
[tex]x = y + 8[/tex]
[tex]x + 4 = 2(y + 4)[/tex]
We want to solve using the substitution method. Knowing that x is equal to y + 8, we can simply plug in 'y + 8' in for x in the second equation, like so:
[tex](y+8)+4=2(y+4)[/tex]
Combine like terms on both sides:
[tex]y+12=2y+8[/tex]
Subtract y from both sides:
[tex]12=y+8[/tex]
Subtract 8 from both sides:
[tex]y=4[/tex]
Now, we can simply plug the y value in to the first equation, and solve for x:
[tex]x=4+8[/tex]
Simplify:
[tex]x=12[/tex]
Therefore, x is equal to 12 and y is equal to 4.Learn more about the substitution (and also elimination!) method here:
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PLS HELP PLS ANSWER AS SOON AS POSSIBLE
Answer:
y>1/3x-3
Step-by-step explanation:
The slope for this equation is 1/3x-3. Because the line is dashed, we know that we're dealing with either < or >. The shading goes upwards, so it's greater than. That means, we would get y>1/3x-3.
Hope this helps!
WILL GIVE BRAINLIEST Drag the values into the boxes to classify each number as rational or irrational.
Answer:
See below ~
Step-by-step explanation:
5/4 = 1/25 ⇒ Rational√100 = 10 ⇒ Rational7.3 ⇒ Rational0.00247 ⇒ Rational√4/9 = 2/3 = 0.66666... ⇒ Rational√2/24 = 1/2√1/6 ⇒ Irrational0.01.... ⇒ RationalI really need help pleaseeee
A chemist is mixing a 50% salt solution with an 18% salt solution to make 40 L of a new solution that will contain 30% salt. How much of each of the original solutions should the chemist use?
Answer:
See below
Step-by-step explanation:
Sum of ingredients = sum of final solution
.50 x where x = 50 percent amount then 40 - x = 18% amount
.50 x + .18(40 - x) = .30 ( 40 )
.50 x + 7.2 - .18x = 12
.32x = 4.8
x = 15 L of 50% 25 liters of 18%
1. How many triangles are congruent to AABC?
А.
2
В.
3
С.
4
D.
5
Answer:
Answer: 3, 3 of them are translated
Answer:
B. 3 triangles are congruent to ABC
Step-by-step explanation:
2 triangles are congruent if all corresponding side lengths are equal, or using SAS (Side-Angle-Side theorem) to confirm 2 corresponding sides & the included angle is equal those of another triangle.From the picture, triangle ABC is not a right triangle. The length of AB is graphed with a length of 4. From point C to segment AB is a height of 3. The triangle in quadrant I (top right) has both of these dimensions.
Similarly, the triangle on the x-axis (positive side) below it (between Q1 and Q4) is also congruent to ABC.
The triangle fully in quadrant III (bottom left) is congruent to ABC with a height of 3 and base length of 4.
The triangle in the bottom right corner (Q4) has a height of 4, therefore it is not congruent to ABC which has a height of 3.
The triangle on the x-axis (negative left side) is also not congruent to ABC. It may have a height of 3 and base length 4, but the angles are different which means the other side lengths don't correspond to ABC.
[+ I'm not sure if your teacher would consider this a real answer but I figured I'd mention that in proofs tri.ABC is also congruent to tri.ABC.]
Many large cities have considered or passed proposals that ban the use of plastic grocery bags in stores. A concerned student would like to measure if residents of her hometown would consider a similar ban on plastic bags. Standing in a busy shopping area, the student approaches adults and asks, "Items made of plastics are a dangerous, growing source of pollution to our world’s oceans and threaten many animal species. Given this, would you support a ban on plastic shopping bags in our city stores?” How might the results of this survey be biased in estimating the proportion of all town residents who would support a ban on plastic bags?
The student may overestimate support for a plastic bag ban because only adults in the shopping area were chosen to participate.
The student may overestimate support for a plastic bag ban because the wording of the question may influence adults to support a ban.
The student may underestimate support for a plastic bag ban because the wording of the question may influence adults to not support a ban.
The student may underestimate support for a plastic bag ban because some adults may not want to answer questions about the environment.
Answer: The student may overestimate support for a plastic bag ban because the wording of the question may influence adults to support a ban.
Step-by-step explanation:
does anyone know how to do bearings
answer as many as you like
A cylinder has a base radius of 8 meters and a height of 19 meters. What is its volume in cubic meters, to the nearest tenths place?
Answer:
477.28cu m
Step-by-step explanation: R (8) x3.14 (pi) is 25.12, 25.12x19=477.28
What is the surface area of the rectangular prism?
a. 144 m 2
b. 288 m 2
c. 128 m 2
d. 256 m 2
Answer: B. 288m 2
Step-by-step explanation:
A = 2 (wl+hl+hw)
2 · (4 · 16 + 4 · 16 +4 · 4) = 288m 2
Find the value of X that will make A||B. Show work please, I need to figure out how to solve it.
Answer:
x = 12
Step-by-step explanation:
In order for these lines to be parallel:
5x = 4x + 12
x = 12
Hope this helps
A 10 inch long piece of string is approximately 25.4 centimeters long.
What is the length, in centimeters, of a string that is 45 inches long, rounded to the nearest tenth?
If 10 inches is equal to 25.4 centimeters. Then the 45 inches will be equal to 114.3 centimeters.
What are ratio and proportion?A ratio is an ordered set of integers a and b expressed as a/b, with b never equaling 0. A percentage is a mathematical expression in which two things are equal.
A 10 inches long piece of string is approximately 25.4 centimeters long.
If the length of the string is 45 inches. Then the length in cm will be
Let x be the length. Then we have
x/45 = 25.4/10
x = 114.3 cm
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There are a total of 66 students in the
fourth grade at North Elementary
school. Class A has five more
students than Class B. Class C has 2
less students than Class B. How
many students are in class A?
Answer:
A = 26
Step-by-step explanation:
sum of students = classA + classB + classC
let's say classA = A, classB = B, and classC = C
A + B + C = 66
class A has five more students than class B, so A = 5 more than B so A = 5+B
class C has 2 less students than class B, so C = 2 less than class B = B -2, so C = B-2
A + B + C = 66
A = 5+B
C = B-2
substitute 5+B for A and B-2 for C in the first equation to limit this to one variable (B)
(5+B) + B + (B-2) = 66
3B + 3 = 66
subtract 3 from both sides to isolate the variable and its coefficient
3B = 63
divide both sides by 3 to solve for B
B = 21
A = 5 + B = 5 + 21 = 26
A star with an initial radius of r=1. 0108 m and a period of 30. 0 days collapses suddenly to a radius of r=1. 0104 m
The initial angular velocity of the star will be [tex]w=2.4\times 10^{-6} \ \frac{rad}{sec}[/tex].
What is angular velocity?Angular velocity refers to how fast an object rotates or revolves relative to another point. It is a rate of change of angle.
Here for the 30 days period the angular velocity will be calculated as:
[tex]W=\dfrac{2\pi}{T}=\dfrac{2\times \pi}{30\times 24\times 3600}=2.4\times 10^{-6} \ \frac{rad}{sec}[/tex]
So the initial angular velocity of the star will be [tex]2.4\times 10^{-6} \frac{rad}{sec}[/tex]
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Write the equation in standard form using integers. y=3x + 4
To write the equation in standard form
⇒ must know the standard form:
⇒ Ax + By = C
⇒ essentially move all the variables to one side and constant to
the other
Let's solve:
[tex]y = 3x + 4\\-3x+y=4[/tex]
Standard form: [tex]-3x+y=4[/tex]
Answer: [tex]-3x+y=4[/tex]
Hope that helps!
At a balloon festival, 268 people
showed up to watch the evening
lift-off on Friday night at 8:00p.m.
Saturday morning's lift-off brought in
328 people. Sunday morning's show
brought in twice as many people
as Friday night's lift-off. How many
people in all came to watch the balloon
festival?
Libby built a fence that was 56 \text { feet}56 feet56, start text, space, f, e, e, t, end text long over 444 days. She built the same length of fence each day.
How many inches of fence did Libby build each day?
Answer:
168 inches
Step-by-step explanation:
To find the fence made each day by Libby, we will divide 56 by 4.
convert the length of fence into inches.
1 foot = 12 inches.
What is the height of a cone if the radius is 3 and the volume is 40π
9) How much ice cream can the sugar cone hold if
you only fill the inside? Round your answer to the
nearest cubic millimeter.
60 mm
136 mm
140 mm
Answer:
13188mm^2
Step-by-step explanation:
D=60mm
H=136mm
L=140mm
then v=1/3xd^2x h= 1/3x3.14x60^2x136
SA=tc pl/2
=3.14x60x140= 13188mm^2
hope this helps!
Find the surface area of the cylinder. Use 3.14 for pi. a hay bale with a diameter of 30 inches and a height of 72 inches
about [ ] in.²
Answer:
8199.56 inches²
Step-by-step explanation:
A=2πd
2h+2π(d
2)2=2·π·30
2·72+2·π·(30
2)2≈8199.55683in
I need help please help out dudeeeeeeeeee
Answer: heyaa!!
Your Answer Is 6/25Step-by-step explanation:
Simplify the expression.
Hopefully this helps you <3
- Matthew :)
PLEASE HELP ASAP!!!!!
Answer:
15/40 or simplified 3/8
Step-by-step explanation:
Simplify and she the steps how to solve this
(5t^2 + 4) - (6t^2 - 7t + 1)
Answer:
11t² + 7t + 3
Step-by-step explanation:
⇒ (5t² + 4) - (6t² - 7t + 1)
⇒ 5t² + 4 - 6t² + 7t - 1
⇒ 11t² + 7t + 3
Answer: [tex]-t^2 + 7t + 3\\\\[/tex]
Work Shown:
[tex](5t^2 + 4) - (6t^2 - 7t + 1)\\\\5t^2 + 4 - 6t^2 + 7t - 1\\\\(5t^2 - 6t^2) + 7t + (4-1)\\\\-t^2 + 7t + 3\\\\[/tex]
