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The probability that a boy goes to school by bus is 1/3 and by matatu is ½. If he uses a bus the probability that...

The probability that a boy goes to school by bus is 1/3 and by matatu is ½. If he uses a bus the probability that he is late to school is 1/5 and if he uses a matatu the probability of being late is 3/10. If he uses other means of transport, the probability of being late is 1/20. What is he probability that;
(a) He will be late to school
(b) He will not be late to school
(c) He will be late to school if he does not use a matatu
(d) He neither uses a bus nor matatu but arrives to school early.

Answers

Kavungya answered the question on November 12, 2019 at 13:19

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