A city spokesperson claims that the mean response time for arrival of a fire truck at a fire is 12 minutes. A newspaper reporter suspects that the response time is actually longer an runs a test by examining the records of 64 fire emergency situations. What conclusion is reached if the sample mean is 13.1 minutes with a standard deviation of 6 minutes?

A city spokesperson claims that the mean response time for arrival of a fire truck at a fire is 12 minutes. A newspaper reporter suspects that the response time is actually longer an runs a test by examining the records of 64 fire emergency situations. What conclusion is reached if the sample mean is 13.1 minutes with a standard deviation of 6 minutes?




(A) The P-value is less than .001, indicating very strong evidence agains the 12-minute claim.
(B) The P-value is .01, indicating strong evidence against the 12-minute claim.
(C) The P-value is .07, indicating some evidence against the 12-minute claim.
(D) The P-value is .18, indicating very little evidence against the 12-minute claim.
(E) The P-value is .43, indicating no evidence against the 12-minute claim.


Answer: C


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