1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Brut [27]
3 years ago
12

What is the profit the performer makes at a performance where 8 people attend?

Mathematics
1 answer:
otez555 [7]3 years ago
4 0
120 : 8 = 15
and 15 x 20 = 300, so the answer is C
You might be interested in
The sale price of a bike is $189.50. The sale tax is 5%. What is the total price?
Roman55 [17]
It would be $947.50 because you would multiply $189.50 by 0.05.
3 0
3 years ago
Read 2 more answers
Select the correct answer from each drop-down menu.
mixer [17]

Answer:

1. Different

2. More

3. Greater too

Step-by-step explanation:

I'm not completely sure I'm not good with graphs but i hope its right!

5 0
2 years ago
A professor wishes to discover if seniors skip more classes than freshmen. Suppose he knows that freshmen skip 2% of their class
KIM [24]

Answer:

We conclude that seniors skip more than 2% of their classes at 0.01 level of significance.

Step-by-step explanation:

We are given that a professor wishes to discover if seniors skip more classes than freshmen. Suppose he knows that freshmen skip 2% of their classes.

He randomly samples a group of seniors and out of 2521 classes, the group skipped 77.

<u><em /></u>

<u><em>Let p = percentage of seniors who skip their classes.</em></u>

So, Null Hypothesis, H_0 : p \leq 2%   {means that seniors skip less than or equal to 2% of their classes}

Alternate Hypothesis, H_A : p > 2%   {means that seniors skip more than 2% of their classes}

The test statistics that will be used here is <u>One-sample z proportion</u> <u>statistics</u>;

                                   T.S.  = \frac{\hat p-p}{{\sqrt{\frac{\hat p(1-\hat p)}{n} } } } }  ~ N(0,1)

where, \hat p = sample proportion of seniors who skipped their classes = \frac{77}{2521}

           n = sample of classes = 2521

So, <u><em>test statistics</em></u>  =  \frac{\frac{77}{2521} -0.02}{{\sqrt{\frac{\frac{77}{2521}(1-\frac{77}{2521})}{2521} } } } }

                               =  3.08

The value of the test statistics is 3.08.

Now at 0.01 significance level, <u>the z table gives critical value of 2.3263 for right-tailed test</u>. Since our test statistics is more than the critical value of z as 2.3263 < 3.08, so we have sufficient evidence to reject our null hypothesis as it will fall in the rejection region due to which <u>we reject our null hypothesis</u>.

Therefore, we conclude that seniors skip more than 2% of their classes.

6 0
3 years ago
13/25 as a percentage
nadezda [96]
Hi , the answer is 52% , because 13 divided by 25 equals to 0.52 , we move the decimal two spaces to the right , so the answer is 52.
8 0
3 years ago
Read 2 more answers
Plz help ill give brainliest
kipiarov [429]

Answer:

243 in^3

Step-by-step explanation:

Cut into 2 rectangles

First one would be ..

12 x 8 = 96

second one would be

7 x 21 = 147

Add them together

147 + 96 = 243

7 0
3 years ago
Other questions:
  • I need to know what is the circumference
    12·2 answers
  • A scuba diver is exploring at an elevation of -12.2 meters. As the diver rises to the surface, she plans to stop and rest briefl
    10·1 answer
  • Gradinize cheese costs $1.28 per pound. How much would you pay for 7 pounds ?
    5·1 answer
  • What is the value of log2 81?
    10·1 answer
  • HELP CANT FAIL YOU GUYS
    12·2 answers
  • Simplify (7x) - (-2x).<br> O 5x<br> 0 -5x<br> O 9x<br> 0-9x<br> NEXT QUESTION<br> 2<br> ASK FOR UEL
    13·1 answer
  • Tammy is recording the percentages she earned on each quiz in her math class. Here are her results for the last quizzes. 91, 86,
    14·2 answers
  • The area of a circular wave expands across a still pond such that its radius increases by 14 cm each second. Write a formula for
    13·1 answer
  • If the sides of a triangle are in the ratio 8:4:6 and its perimeter is 72 cm, find the area of the triangle.
    12·1 answer
  • PLEASE HELP I AM TIMED!
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!