Question: A consumer group claims that the mean minimum time it takes for a sedan to travel a quarter mile is greater than 14.6 seconds.

A consumer group claims that the mean minimum time it takes for

A consumer group claims that the mean minimum time it takes for a sedan to travel a quarter mile is greater than 14.6 seconds. A random sample of 22 sedans has a mean minimum time to travel a quarter mile of 15.6 seconds and a standard deviation of 2.11 seconds. At = 0.05 is there enough evidence to support the consumer group's claim? Complete parts (a) through (d) below. Assume the population is normally distributed. U ITV Ha > 14.6 (Type integers or decimals. Do not round.) The claim is the alternative hypothesis. (b) Use technology to find the P-value. Find the standardized test statistic, t. t = 2.22 (Round to two decimal places as needed.) Obtain the P-value. P=0.013 (Round to three decimal places as needed.) W

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