Question: Solve the following before answering questions below. When testing gas pumps in Michigan for accuracy, fuel-quality enforcement specialists tested pumps and found that 1,299 of

Solve the following before answering questions below.

When testing gas pumps in Michigan for accuracy, fuel-quality enforcement specialists tested pumps and found that 1,299 of them were not pumping accurately and 5,686 pumps were accurate. Use a 0.01 significance level to test the claim of an industry representation that less than 20% of Michigan gas pumps are inaccurate.

When 3,011 adults were surveyed in a Pew Research Center poll, 73% said that they use the internet. Is it okay for a newspaper reporter to write that 3/4 of all adults use the internet?

Flag question: Question 1Question 11 pts

When testing gas pumps in Michigan for accuracy, fuel-quality enforcement specialists tested pumps and found that 1,299 of them were not pumping accurately and 5,686 pumps were accurate. Use a 0.01 significance level to test the claim of an industry representation that less than 20% of Michigan gas pumps are inaccurate.

Which of the following are the correct hypotheses?

a) H0=0.2H10.2H0=0.2H10.2

b) H0=0.2H1>0.2H0=0.2H1>0.2

c) H0=0.2H1<0.2H0=0.2H1<0.2

d) H0p=0.2H1p0.2H0p=0.2H1p0.2

e) H0p=0.2H1p>0.2H0p=0.2H1p>0.2

f) H0p=0.2H1p<0.2H0p=0.2H1p<0.2

.

Group of answer choices

e

b

c

d

a

f

Flag question: Question 2Question 21 pts

When testing gas pumps in Michigan for accuracy, fuel-quality enforcement specialists tested pumps and found that 1,299 of them were not pumping accurately and 5,686 pumps were accurate. Use a 0.01 significance level to test the claim of an industry representation that less than 20% of Michigan gas pumps are inaccurate.

What distribution do we use?

Group of answer choices

normal distribution

t distribution

Flag question: Question 3Question 31 pts

When testing gas pumps in Michigan for accuracy, fuel-quality enforcement specialists tested pumps and found that 1,299 of them were not pumping accurately and 5,686 pumps were accurate. Use a 0.01 significance level to test the claim of an industry representation that less than 20% of Michigan gas pumps are inaccurate.

Calculate the critical value. Round it to the nearest hundredths.

Flag question: Question 4Question 41 pts

When testing gas pumps in Michigan for accuracy, fuel-quality enforcement specialists tested pumps and found that 1,299 of them were not pumping accurately and 5,686 pumps were accurate. Use a 0.01 significance level to test the claim of an industry representation that less than 20% of Michigan gas pumps are inaccurate.

Calculate test statistic. Round it to the nearest hundredths.

Flag question: Question 5Question 51 pts

When testing gas pumps in Michigan for accuracy, fuel-quality enforcement specialists tested pumps and found that 1,299 of them were not pumping accurately and 5,686 pumps were accurate. Use a 0.01 significance level to test the claim of an industry representation that less than 20% of Michigan gas pumps are inaccurate.

The test statistics falls into the critical region.

Group of answer choices

True

False

Flag question: Question 6Question 61 pts

When testing gas pumps in Michigan for accuracy, fuel-quality enforcement specialists tested pumps and found that 1,299 of them were not pumping accurately and 5,686 pumps were accurate. Use a 0.01 significance level to test the claim of an industry representation that less than 20% of Michigan gas pumps are inaccurate.

Which of the following is a correct conclusion:

a) There is sufficient evidence to warrant rejection of the claim that less than 20% of Michigan gas pumps are inaccurate.

b) There is not sufficient evidence to warrant rejection of the claim that less than 20% of Michigan gas pumps are inaccurate.

c) The sample data support the claim that less than 20% of Michigan gas pumps are inaccurate.

d) There is not sufficient sample evidence to support the claim thatless than 20% of Michigan gas pumps are inaccurate.

Group of answer choices

d

b

a

c

Flag question: Question 7Question 71 pts

When 3,011 adults were surveyed in a Pew Research Center poll, 73% said that they use the internet. Is it okay for a newspaper reporter to write that 3/4 of all adults use the internet?

Which set of hypotheses should be used?

a) H0p=0.73H1p0.73H0p=0.73H1p0.73

b) H0p=0.73H1p>0.73H0p=0.73H1p>0.73

c) H0p=0.73H1p<0.73H0p=0.73H1p<0.73

d) H0p=0.75H1p0.75H0p=0.75H1p0.75

e) H0p=0.75H1p>0.75H0p=0.75H1p>0.75

f) H0p=0.75H1p<0.75H0p=0.75H1p<0.75

Group of answer choices

c

d

a

b

e

f

Flag question: Question 8Question 81 pts

When 3,011 adults were surveyed in a Pew Research Center poll, 73% said that they use the internet. Is it okay for a newspaper reporter to write that 3/4 of all adults use the internet?

What is the value of the sample proportion?

Flag question: Question 9Question 91 pts

When 3,011 adults were surveyed in a Pew Research Center poll, 73% said that they use the internet. Is it okay for a newspaper reporter to write that 3/4 of all adults use the internet?

Calculate the value of the test statistic. Round it to the nearest hundredths.

Flag question: Question 10Question 101 pts

When 3,011 adults were surveyed in a Pew Research Center poll, 73% said that they use the internet. Is it okay for a newspaper reporter to write that 3/4 of all adults use the internet?

Find the p-value. Round it to the nearest thousandths.

Flag question: Question 11Question 111 pts

When 3,011 adults were surveyed in a Pew Research Center poll, 73% said that they use the internet. Is it okay for a newspaper reporter to write that 3/4 of all adults use the internet?

Compare p-value to=0.05=0.05

Based on the comparison, we [ Select ] ["fail to reject", "reject"] the null hypothesis.

Flag question: Question 12Question 121 pts

When 3,011 adults were surveyed in a Pew Research Center poll, 73% said that they use the internet. Is it okay for a newspaper reporter to write that 3/4 of all adults use the internet?

Which of the following is a correct conclusion:

a) There is sufficient evidence for a newspaper reporter not to write that 3/4 of all adults use the internet

b) There is not sufficient evidence for a newspaper reporter not to write that 3/4 of all adults use the internet

c) The sample data support the claim that 3/4 of all adults use the internet

d) There is not sufficient sample evidence to support the claim that 3/4 of all adults use the internet

.

Group of answer choices

d

b

a

c

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!