(Solution) 18. The National Safety Council Reported That 52% Of American Turnpike Drivers Are Men. A Sample Of 300 Cars Traveling Southbound On The New Jersey | Snapessays.com

(Solution) 18. The National Safety Council reported that 52% of American turnpike drivers are men. A sample of 300 cars traveling southbound on the New Jersey

Hi, can you help me please with the attach problem.l really appreciate thank you18. The National Safety Council reported that 52% of American turnpike drivers are men.

A

sample of 300 cars traveling southbound on the New Jersey Turnpike yesterday revealed that

170 were driven by men.

With an ? = 0.01 can it be concluded that a larger proportion of

men were driving on the New Jersey Turnpike than the national statistics indicate?

a. State the Null and Alternative Hypotheses.

b. Determine the test statistic.

c. Determine and interpret the

p

-value

d. State your decision and interpret the results

20.

A national TV News program reported that the mean price nationwide was \$2.10 per

gallon for self-serve regular unleaded gasoline.

A random sample of 35 stations in the

Milwaukee, Wisconsin, area revealed that the mean price was \$2.12 per gallon and that the

sample standard deviation was \$0.05 per gallon.

At the 0.05 significance level, can we

conclude that the price of gasoline is significantly different in the Milwaukee area?

Use the

p

-value method.

a. State the null and alternative hypotheses:

b. Compute the test-statistic.

c. Determine the

p

-value.

d. State your decision and interpret the results

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This question was answered on: May 23, 2022

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