Alligators perform a spinning​ maneuver, referred to as a​ "death roll," to subdue their prey. In a study of alligator death​ rolls, one of the variables measured was the degree of the angle between the body and head of the alligator while performing the roll. A sample of rolls yielded the data provided​ below, in degrees. At the ​% significance​ level, do the data provide sufficient evidence to conclude​ that, on​ average, the angle between the body and head of an alligator during a death roll is greater than ​? ​(Note: and s. Preliminary data analyses indicate that you can reasonably use a​ t-test to conduct the hypothesis​ test.)

Answers

Answer 1

Complete question :

Alligators perform a spinning maneuver, referred to as a "death roll," to subdue their prey. In a study of alligator death rolls, one of the variables measured was the degree of the angle between the body and head of the alligator while performing the roll. A sample of 20 rolls yielded the data provided below, in degrees. At the 1% significance level, do the data provide sufficient evidence to conclude that, on average, the angle between the body and head of an alligator during a death roll is greater than 45 ? Note: x =46.255° and s = 12.251° Preliminary data analyses indicate that you can reasonably use a t test to conduct the hypothesis test.

Answer:

H0 : μ = 45

H1 : μ > 45

T statistic = 0.4472

Pvalue = 0.3299

We fail to reject the Null

Step-by-step explanation:

H0 : μ = 45

H1 : μ > 45

Test statistic, T :

(xbar - μ) ÷ (s/√n)

(46.225 - 45) ÷ (12.251/√20)

1.225 ÷ 2.7394068

= 0.4472

Using the Pvalue calculator, the Pvalue can be obtained using the test statistic and degree of freedom

Degree of freedom, df = 20 - 1 = 19

Tscore = 0.4472

α = 0.01

Pvalue = 0.3299

Pvalue > α

0.3299 > 0.01 ; Hence, we fail to reject the Null

We fail to reject the Null; The data does not provide sufficient evidence to conclude that average angle between alligator's body and its head is greater than the 45


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If a model car has a scale of 3in.: 5ft., what would be the length of the model be if the actual car was 15 ft. long?

Answers

set up the ratios:

3/5 = x/15

Cross multiply:

45 = 5x

Divide both sides by 5:

X = 9

The model would be 9 inches long

Answer:

120ft

Step-by-step explanation:

:)
Given that the volume of a rectangular prism is given by the formula V = lwh, what is the value of V if I = 7 cm, w = 5
cm, and h = 4 cm?
A)
16 cm
B)
48 cm
C)
70 cm
D)
140 cm

Answers

D. 140 cm, because 5 x 4=20 and 20 x 7 is 140.
The answer will be D.

When 334 college students are randomly selected and surveyed, it is found that 103 own a car. Find a 99% confidence interval for the true proportion of all college students who own a car.

Answers

Answer:

(.24329, .3734)

Step-by-step explanation:

1-propzint

n=334

x=103

c level .99

Can anyone please help me answer the
PICTURE IS PROVIDED!

Answers

Answer:

∠a = 29° (alt. int. angles)

∠b = 46° (alt. int. angles)

∠1 = ∠a + ∠b

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Nadia's monthly budget is $2,750. How much does Nadia spend on Rent in a month, in dollars and cents?

Answers

Answer:

990

Step-by-step explanation:

PLEASE HELP!!!!

What mixed number do these squares model?


19/5=?

Enter your answer

Answers

Answer:

19/5= 3 4/5.

Step-by-step explanation:

19 divided by 5 equals 3 with a left over of 4. So 3 and 4/5 should be the answer. hope this helps! have a good day!

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answer:

39.9

Step-by-step explanation:

54= area of rectangle

28.26= area of the circle

divide circle area by 2

= 14.13

subtract half of circle from rectangle area

54- 14.13

= 39.9

Last year, your salary was $33,975. This year, your boss tells you your salary will be $34,960. What percent raise (change) did you receive? Round your answer to the nearest tenth of a percent.

Answers

Answer:

2.9%

Step-by-step explanation:

I WILL GIVE YOU BRAINERLEST AND A LIKE


Find the area of the parallelogram.

Answers

Answer:

i am not very sure but i think its 50in

Step-by-step explanation:

area of parallelogram is height multiplied by the base

hope this helps

Monica drinks 0.125 liters of milk during breakfast and 0.20 liters of milk after dinner everyday. Find the total amount of milk she drinks in a day, using significant digits.

A. 0.325 L
B. 0.33 L
C. 1 L
D. 3.25 L

Answers

The total number of milk drank in a day since the significant figure is not specified is 0.325 L.

What are significant figures?

Significant figures are a way of approximation of large numbers to the required approximation such as two significant figures, three significant figures, or more, as the case may be.

From the given information:

Monica drinks 0.125 liters of milk during breakfast, and0.20 liters of milk after dinner every day

The total number of milk drank in Liters in a day is:

= (0.125 + 0.20) L

= 0.325 L

Learn more about significant figures here:

https://brainly.com/question/24491627

#SPJ1

Answer:

the correct answer is B. 0.33 L

Explanation:

I just took this quiz and this was the correct answer.

Find the perimeter of each polygon. Assume that lines which appear to be tangent are tangent.

Answers

9514 1404 393

Answer:

  34.8

Step-by-step explanation:

The only polygon in the figure is the triangle outlined in red. Its perimeter is the sum of its side lengths: 15 +6.1 +13.7 = 34.8 units.

__

The two halves of the chord are the same length.

Need help to solve problem‼️

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Answer:

1. B

2. F

3. D

4. E

5. A

6. C

I hope that this helped

Answer:

1. B

2.F

3.D

4.E

5.C

6.A

Please help giving brainliest please help

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Answer:

G

Step-by-step explanation:

In the equation, 8.5 will represent how much money Oscar earns per hour, and the x represents how many hours he works. The inequality sign shows that the sum of 8.5x and 100 has to be at least 397.50 (397.50 and up), so H and J are automatically wrong. If Oscar had given his brother 100 dollars, there would be a subtraction sign, but there is an addition sign instead, meaning he gained 100 dollars that did not come from his job. It would be the most logical to say that his brother had given it to him, so G is the correct answer.

Jenny is dog sitting for 13 dogs. One runs away, and she is not sure which one. There were 3 Labradors (L), 2 Golden Retrievers (G), 3 Dalmatians (D), 4 terriers (T), and 1 bulldog (B) in the original group.
What is the size of the population of dogs that could have run away from Jenny?

1
5
11
13

Answers

Answer:

5

Step-by-step explanation:

It is 5 because she originally had 13. There are 5 types of dogs she was dog-sitting. There are 5 possible types of dogs that ran away.

Solve the equation below. Pls include work



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Answers

Answer:

2.52

Step-by-step explanation:

5x + 15.5 = 28.1

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divide both sides by 5

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Answer:

x=2.52

Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

13.5% of 358 is 48

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Answers

Answer:

c11= -1

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Step-by-step explanation:

on edg

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Step-by-step explanation:

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Answers

Answer:

D: 6

Step-by-step explanation:

We know that the triangle is a right triangle

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Help Willing To Give Brainiest To Whoever Gets It Right

Answers

Answer:

Solution :-

In figure 1 value of y is 1

In figure 2 value of y is 6

In figure 3 value of y is 5

[tex] \\ [/tex]

1. 1
2. 6
3. 5
These are the values of y

i need the answer asap 20 points

In an arithmetic sequence, the first term, a_1,a
1 , is equal to 5,5, and the fifth term, a_{5},is equal to 41.41. Which number represents the common difference of the arithmetic sequence?

Answers

Answer:

  10

Step-by-step explanation:

The general term of an arithmetic sequence is given by ...

  an = a1 +d(n -1) . . . . where a1 is the first term and d is the common difference

__

This formula can be used to find the value of d. The first term is given as 1, and the 5th term (a5) is given as 41. The value of n for the 5th term is 5.

  an = a1 +d(n -1)

  41 = 1 +d(5 -1) . . . . . substitute known values

  40 = 4d . . . . . . . subtract 1, simplify

  10 = d . . . . . . divide by 4

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Step-by-step explanation:

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Answer:

68.2 for sure

Step-by-step explanation:

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Step-by-step explanation:

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Answer:

200

Step-by-step explanation:

Base of the prism is a square

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[tex]\\ \tt {:}\longrightarrow Area\:of\:base=(side)^2[/tex]

[tex]\\ \tt {:}\longrightarrow (5)^2[/tex]

[tex]\\ \tt {:}\longrightarrow 25cm^2[/tex]

Now

[tex]\\ \tt {:}\longrightarrow Volume=Area\:of\:Base\times Height[/tex]

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Corey buys chicken wings at a rate of $10 for 40 wings. He sells 10 wings for $5.
How much does Corey pay for each chicken wing he purchases?

Answers

Answer:

20

Step-by-step explanation:

What is the value of x?

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4x+2=5x-6
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Answer:

1. x = 15

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Step-by-step explanation:

Pythagorean Theorem:

a² + b² = c²

Alternate exterior angles ​

Answers

Answer:

[tex]When \: two \: lines \: are \: crossed \: by \: another \: line \: (called \: the \: Transversal \: ):  \: Alternate \: Interior \: Angles \:  are \: a \: pair \: of  \: angles  \: on \: the \: inner \: side \: of \: each \: of \: those \\ \\ \\ \\ \\ two \: lines \: but \: on \: opposite \: sides \: of \: the \: transversal.[/tex]

hope it helps if it helps don'tforget to like and mark

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Answers

Answer:

C. 5/3 (5 sqrt 3) (8.66...)

Explanation:

You would use the SohCahToa to find out side x.

First, label your sides (10 is hypotenuse, x is the opposite, and blank side is the adjacent).

Second, figure out which part you have to use (Sin, Cosine, or Tangent). A good way to tell is of you have the missing side on top of the fraction, makes things easier.

Third, once you figure that out then plug stuff in...

Sin(theta) = O/H
Sin(60) = X/10
10sin(60) = X
8.66... = X

Find the length of the third side. If necessary, round to the nearest tenth.This is on Pythagorean theory​

Answers

Answer:

23 because the 24 side is a little bigger than the other side

Step-by-step explanation:

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