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Dafna11 [192]
3 years ago
14

13. The Castillo de San Marcos is a Spanish

Mathematics
1 answer:
Alex17521 [72]3 years ago
4 0
Find the difference: 1695 - 1672 = 23
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A kitchen drawer has a Volume 1,125 cubic inches. The drawer is 15 inches long and 5 inches deep. What is the width of the drawe
Temka [501]

Answer:

The width of the drawer is 15\ in

Step-by-step explanation:

we know that

The volume of the drawer is equal to

V=LWH

we have

L=15\ in

H=5\ in -----> the deep of the drawer

V=1,125\ in^{3}

substitute the given values in the formula and solve for W

1,125=(15)(W)(5)

1,125=(75)(W)

W=1,125/(75)

W=15\ in

7 0
3 years ago
Is the proportion direct or indirect? Why?​
olasank [31]

Answer:

When two quantities increase or decrease together they are said to be directly. proportional

6 0
3 years ago
Belinda runs 8 kilometers in 60 minutes. At this rate, how long would it take her to run 2 kilometers?
DiKsa [7]

Answer:

15 minutes

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly different from 0.36. With
Dafna11 [192]

Answer:

We need to conduct a hypothesis in order to test the claim that the true proportion is 0.36 so then we need to conduct a two tailed test, the system of hypothesis are.:  

Null hypothesis:p=0.36  

Alternative hypothesis:p \neq 0.36  

Since is a bilateral test the p value would be:  

p_v =2*P(z>2.074)=0.0381  

Step-by-step explanation:

Data given and notation n  

n represent the random sample taken

\hat p estimated proportion of interest

p_o=0.36 is the value that we want to test

z would represent the statistic (variable of interest)

p_v represent the p value (variable of interest)  

Concepts and formulas to use  

We need to conduct a hypothesis in order to test the claim that the true proportion is 0.36 so then we need to conduct a two tailed test, the system of hypothesis are.:  

Null hypothesis:p=0.36  

Alternative hypothesis:p \neq 0.36  

When we conduct a proportion test we need to use the z statisitc, and the is given by:  

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

The One-Sample Proportion Test is used to assess whether a population proportion  is significantly different from a hypothesized value .

Calculate the statistic  

For this case the statistic is given:

z = 2.074

Statistical decision  

It's important to refresh the p value method or p value approach . "This method is about determining "likely" or "unlikely" by determining the probability assuming the null hypothesis were true of observing a more extreme test statistic in the direction of the alternative hypothesis than the one observed". Or in other words is just a method to have an statistical decision to fail to reject or reject the null hypothesis.

The next step would be calculate the p value for this test.  

Since is a bilateral test the p value would be:  

p_v =2*P(z>2.074)=0.0381  

5 0
3 years ago
Show your work and write an expression by using these clues:
zepelin [54]

Answer: 10.1

Step-by-step explanation:

Step 1:  1,000 is greater than 100 but smaller then

Step 2:  10,000     1,000 is divided by 10,100 which =10.1                                                                  

Step 3:    and 10.1 is less than 100 greater than 1

5 0
3 years ago
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