Answer the question, considering an event to be "unusual" if its probability is less than or equal to 0.05.
-Assume that a study of 300 randomly selected school bus routes showed that 281 arrived on time. Is it "unusual" for a school bus to arrive late?
A) Yes
B) No

Question

Quizplus · Accepted Answer

The probability of a bus arriving late is (300-281)/300 = 0.0633, which is greater than 0.05, so it is not considered "unusual".

Answer the Question, Considering an Event to Be "Unusual" If