Out of 60 days on 39 of those days she arived at work before 8:30 asm what is the probability she will arrive at work after 8:30 am

Question

asked May 19, 2019 224k views

1 Answer

Smooth · Answer 1 · 2019-05-24T07:52:28+0000

Out of 60 days a person arrives before 8.30 am for = 39 days

So remaining days left are =
60-39=21 days

So probability that a person will arrive after 8.30 am is =
(21)/(60)

or
(7)/(20)

Hence, probability is
(7)/(20)