# Statistics Test Question

**Question description**

According to an airline, a particular flight is on time 85% of the time. Suppose 9 flights are randomly selected and the number of on time flights is recorded.

a) The probability of exactly 7 flights are on time.

b) The probability that at least 7 flights are on time.

c) The probability that fewer than 7 flights are on time.

d) The probability that between 5 and 7 flights, inclusive, are on time.

## Tutor Answer

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