Question

On a particular day, an airliner has 150 flights arrive early, 500 flights arrive on time, and 75 flights arrive late. What is the experimental probability that a flight will not be late?

a. 75/725
b. 75/650
c. 500/650
d. 650/725

Answer 1

D. 650/725

Explanation:

D is the correct answer

Answer 2

`650/725`

Explanation:

The probability a flight will not be late is (flights that are not late)/(total flights).

If you're early or on time, you're not late. So, the probability is
`(150+500)/(150+500+75)=\boxed{650/725}`