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The New Jersey Department of Motor Vehicles reported
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The New Jersey Department of Motor Vehicles reported that 70% of all vehicles undergoing emissions test passed the test on the first try. Essex County claims that it has a higher rate of vehicles passing emissions test on the first try than the statewide average. In order to test this claim, a random sample of emission test results of 200 vehicles from Essex County was examined and it was found that 150 vehicles passed the emission test on the first try.
a. Formulate your hypotheses and explain the rationale for choosing those hypotheses. (5 pts)
b. Do the sample data to support the Essex County claim, when the significance level is a =. 05? (5 pts)
c. Find the P-value of the hypotheses test in Part (b).
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[Solved] The New Jersey Department of Motor Vehicles reported
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- Submitted On 18 Jun, 2020 07:57:37
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