For the given event, state whether the difference between what occurred and what you would have expected by chance is statistically significant or not statistically significant.
-Assume that a study of 500 randomly selected school bus routes showed that 486 of the buses arrived on time.
One of the buses, however, was late.
A)statistically significant
B)not statistically significant

Question

Quizplus · Accepted Answer

Given that 486 out of 500 buses arrived on time, the expectation by chance would be high for on-time arrivals. The fact that only one bus was late significantly deviates from this expectation, indicating a statistically significant difference.

For the Given Event, State Whether the Difference Between What