In a Study of Distances Traveled by Buses Before the First

Multiple Choice

In a study of distances traveled by buses before the first major engine failure, a sample of 191 buses results in a mean of 96,700 km. The population standard deviation is known to be 37,500 km.
-How much evidence is there that the major engine failure will occur after 90,000 km?

A) No evidence
B) Some evidence
C) Strong evidence
D) Very strong evidence
E) Extremely strong evidence