What is the significance of the value 0.31 in the context of the data? A It represents the probability that a student in Mr. Lopez's classes does not have chores. B It represents the probability that a student in Mr. Lopez's classes does not receive an allowance. C It represents the probability that a student in Mr. Lopez's classes either does not have chores or does not receive an allowance. D It represents the probability that a student in Mr. Lopez's classes does not have chores and does not receive an allowance.

Answers

Answer 1

Step-by-step explanation:

The significance level, also denoted as alpha or α, is the probability of rejecting the null hypothesis when it is true. For example, a significance level of 0.05 indicates a 5% risk of concluding that a difference exists when there is no actual difference


Related Questions

please help me answer this

Answers

Answer:

Angle 3 is 113°

Step-by-step explanation:

Angles 2 & 3 is supplementary, so it equals 180°. Subtract 67 from 180 and you get 113. DUH.

Good Luck!!

Answer:

113°

Step-by-step explanation:

6 & 2 make a 180 ° angle

180-67 = 113

113° = angle 6

angle 6 is equivalent to angle 3

94% of salmon pass through a single dam unharmed. By what percent does the number of salmon decrease when passing through a single dam?

Answers

Answer:

6%

Step-by-step explanation:

Answer:

They decrease by 6%

Step-by-step explanation:

100%-94%=6%

HELP WILL MARK BRAINLY

Answers

Don’t click on that link it’s a scam

Gilbert purchased a car for 34000. The car depreciates at a rate of 14% per year. The exponential function that represents this situation is y = 34000(0.86)^x.

What is the change factor for this function?

Answers

Answer:

.86

Step-by-step explanation:

Exponential function formula

[tex]y = a ( 1 + or - r ) ^t[/tex]

where a = initial value

r = rate of change

and t = number of years

given the equation y = 34000(0.86)^x.

r = .86

Hence the change factor is .86

Juana is measuring two pyramids whose base are isosceles right triangles. The second pyramid has the same height, but has 9 times the volume. What is the side length of its base

Answers

9514 1404 393

Answer:

  3 times the smaller triangle base

Step-by-step explanation:

The volume is proportional to the height and to the area of the base.

If the height is unchanged, the larger pyramid must have a triangular base with an area that is 9 times the smaller base area.

Since the bases are similar, the area ratio is the square of the side length ratio. The side lengths of the larger base triangle must be √9 = 3 times the side lengths of the smaller base triangle.

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Answers

Answer:

<B = 95degrees

<D = 137 degrees

Step-by-step explanation:

From the given diagram, the sum of the adjacent sides of the trapezoid is 180degrees. Hence;

<A +<B = 180

85 + <B = 180

<B = 180 - 85

<B = 95degrees

Similarly

<C + <D =180

43 + <D = 180

<D = 180 - 43

<D = 137 degrees

PLEASE PLEASE PLEASEEE HELP I DONT UNDERSTAND

Answers

Answer:

29.5 times pi or 3.14

Step-by-step explanation:

Find the length of side x in simplest radical form with a rational denominator.
45°
X
45°
V3

Answers

Answer:

[tex] \sqrt{6} [/tex]

Step-by-step explanation:

[tex] \sin \: 45 \degree = \frac{ \sqrt{3} }{x} \\ \\ \frac{1}{ \sqrt{2} } = \frac{ \sqrt{3} }{x} \\ \\ x = \sqrt{2} \times \sqrt{3} \\ \\ x = \sqrt{2 \times 3} \\ \\ x = \sqrt{6} [/tex]

Answer:

√6

Step-by-step explanation:

Find the length of side x in simplest radical form with a rational denominator.

√6

Can someone help only answer if you know no scam links or your getting reported.

Answers

Answer:

Volume= 10 cm³

Step-by-step explanation:

[tex]V=lwh[/tex]

[tex]V=\frac{5}{4} *4*2[/tex]

[tex]V=5*2[/tex]

[tex]V=10[/tex]

Explain how to use a number line to find the sum 7 + −2.

Answers

Step-by-step explanation:

start at 7 on the number line. move to the left (because the value is negative) 2 jumps. you will land on 5.

Answer: 5

Step-by-step explanation:

Usually you would just do 7+-2 which is also 7-2 which equals 5 but since it's a number line you do this

You would locate 7 on the number line and do the same for -2

Once done, you would take the distance 2 is from 0 and push 7 there(basically moving it to 5) and that would be how you would use a number line to find the sum of 7 + -2

Now if the 2 was positive, this would be different and you would add the distance making it 9 but since it's negative you push it towards 0 which makes it 5

I hope this helps!

A shirt originally cost $41.10, but it is on sale for $36.99. What is the percentage decrease of the price of the shirt? If necessary, round to the nearest percent. A. 10% B. 90% C. 11% D. 8%

Answers

Answer:

10%

Step-by-step explanation:

The first step is to calculate the decrease

Original price= $41.10

New price= $36.99

= 41.10-36.99

= 4.11

4.11/41.10 × 100

= 0.1×100

= 10%

Hence the percentage decrease is 10%

resuelve la inecuación

(3x<15)

Answers

Answer:

x<5

Step-by-step explanation:

(3x<15)

Divide both sides by 3. Since 3 is positive, the inequality direction remains the same.

x<15/3

Divide 15 by 3 to get 5.

x<5

Given: ∠AOB is a central angle and ∠ACB is a circumscribed angle. Prove: △ACO ≅ △BCO Circle O is shown. Line segments A O and B O are radii. Tangents C B and C B intersect at point C outside of the circle. A line is drawn to connect points C and O. We are given that angle AOB is a central angle of circle O and that angle ACB is a circumscribed angle of circle O. We see that AO ≅ BO because . We also know that AC ≅ BC since . Using the reflexive property, we see that . Therefore, we conclude that △ACO is congruent to △BCO by the .

Answers

Answer:

all radii of the same circle are congruent

tangents to a circle that intersect are congruent

side CO is congruent to side CO

SSS congruency theorem

Step-by-step explanation:

The triangle △ACO ≅ △BCO are congruent to each other by SAS postulate.

Given: ∠AOB is a central angle and ∠ACB is a circumscribed angle.

What is the triangle?

A triangle is a three-sided polygon with three angles. The angles of the triangle add up to 180 degrees.

We know that the radius and the tangent are perpendicular to each other.

Then the angle ∠CAO and angle ∠CBO are of 90°.

We know that the tangent of the circle drawn from the point outside the circle will be 2, and these tangent are of equal length.

In triangle △ACO ≅ △BCO, we have

CO = CO (Common side)

∠CAO = ∠CBO = 90°

OA = OB (Radius)

Thus, the triangle △ACO ≅ △BCO are congruent to each other by SAS postulate.

More about the triangle link is given below.

https://brainly.com/question/25813512

#SPJ2

URGENT! PLEASE HELP WITH THIS PROBLEMS.
Show two of the triangles below are similar. Include a similarity statement and show your work to support your statement (blurry numbers are both 8’s).

Answers

Answer:

Hypotenus property a2 +b2 =c2

If the square below is enlarged by a scale factor of 2, what will be the area of the new square? 184 square units 188 square units 192 square units 196 square units

Answers

Answer:

256square units

Step-by-step explanation:

Since we are not given a diagram. Let us assume the side length of the given square is 8 units

If the  the square is enlarged by a scale factor of 2, the side length of the new square will be 2 * 8 = 16units

Since area of a square = L²

Hence the area of the new square =  16²

area of the new square =  256 square units

Hence the area of the new square is 256square units

Note that the side length of the original square was assumed. The values can change depending on the side length of the original square before enlargement

please answer 10-14, will give brainliest if correct

Answers

11)10b=10b is the correct answer hope that help

Answer:

10. No solutions -- Because 5 can't = 0

11. Infinite Solutions -- Because on both sides of the (=) there is a 10 and a B that (b) and be any # and it will still be =

12. No Solutions -- Because 8 can't = 2

13. One Solution -- Because something (-4) = 9 only one # will fit for x and that # is 13 because 13-4=9

14. Infinite Solutions -- Because both sides of the (=) there is 6z because (3+3) z = (6)z = 6z.   and if you but any # for z they will always be =

-1 2/3 ÷ -2 1/5
answer this and you get 60 points pls hurry

Answers

Answer:

0.75757575757

Step-by-step explanation:

Stella wants to buy a $177,000 house, and she is comparing a 7/1 ARM with an interest
rate of 8 75%, amortized over 30 years, with a 7/23 balloon mortgage that has an
interest rate of 8.25%
24. What would Stella's monthly payment be for the 7/1 ARM?

Answers

Answer: Are there any answer choices? If there are I could probably help you, thanks <3

Step-by-step explanation:

The circle graph shows carla's spending. If she spent a total of $320, how much was spent on food?

Answers

Answer:

17, add up all the percentages, then subtract 100 by whatever u got, 100-83= 17

which of the following is equivalent to the expression below when x >0?

Answers

Answer:

C

Step-by-step explanation:

kkgkckyxitxitzoyfoycyoc

Help I don’t know how to do this

Answers

20 + 120 = 140
180 -140 = 40
180-40 = 140
Teh angle is 140 :)

Answer:

y = 140°

Step-by-step explanation:

we know that sum of two opposite interior angles are equal to one exterior

=> y = 120° + 20°

=> y = 140°

hope it helps

can someone help me with this because I am struggling and if you don't mind show me the steps

Answers

Attach and send a picture

What is the factored form of 12x²-48?

Answers

12(x+2)(x-2) !!! have a great day

Which ordered pair describes the point (2, 5) after a translation of 2 units down and 3
units right?
A (0, 2)
B (5,3)
C (4,2)
D (4,8)

Answers

THE ANSWER: It is B (5,3)

There are approximately 3,000 bass in a lake. The population grows at a
rate of 2% per year. What is the average rate of change of the population
of bass from Year 1 to Year 4? Round your answers to the nearest tenth.

Answers

62.4 bass per year from year 5 to year 8, the average rate of change from the population was about 67.6 best per year the change of rate increase was about

8rs - 8s= 16p solve for r.

can someone please help/explain?

Answers

Hope this helps you out!

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Answers

Answer: 4 black marbles, 3 blue, 2 green, and one red.

Step-by-step explanation:

Help me with this please!!!!!!!

Answers

Answer:

16.3ft

Step-by-step explanation:

which expression has a value of 16 when x=2

Answers

Answer:

Step-by-step explanation:

point sorry

This is my third time asking for helpppppppppp

Answers

Answer:

The new shape will be like the one that i have drawn for you , i think .

Step-by-step explanation:

add two ( to base* from both sides of it * )

delete one ( from hights )

Hope it was useful ;)

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