7 A consumer group claims that the mean minimum time it takes for a sedan to travel a quarter mile is greater than 14.7 seconds. A random sample of 22 sedans has a meanminimum time to travel a quarter mile of 15.6 seconds and a standard deviation of 2.09 seconds. At a = 0.05 is there enough evidence to support the consumer group'sclaim? Complete parts (a) through (d) below. Assume the population is normally distributed.(a) Identify the claim and state Ho and Ha.H:(Type integers or decimals. Do not round.)The claim is thehypothesis.nullalternative(b) Use technology to find the P-value. Find the standardized test statistic, t.(Round to two decimal places as needed.)Obtain the P-value.P=(Round to three decimal places as needed.)(c) Decide whether to reject or fail to reject the null hypothesis.Ho because the P-valuegreater than a.(d) Interpret the decision in the context of the original claim.Thereenough evidence at the% level of significance tothe claim that the mean minimum time it takes for a sedan to travel a quarter mile isseconds.(Type integers or decimals. Do not round.)

Name: 7 A consumer group claims that the mean minimum time it takes for a se
Uploaded: 2024-03-20T07:06:41.000Z
Channel: Bartleby
Description: 7 A consumer group claims that the mean minimum time it takes for a sedan to travel a quarter mile is greater than 14.7 seconds. A random sample of 22 sedans has a meanminimum time to travel a quarter mile of 15.6 seconds and a standard deviation of