Question

a train can either be early on time or late. the probability that the train is early is 0.2 the probability that the train is on yome is 0.5 work out the probability that the train is late

Answer 1

0.3 Train is late

Explanation:

20% - Train is early

50% - Train is on time

add

0.2 + 0.5 = 0.7

subtract from 1

1 - 0.7 = 0.3