Question

(a)         The probability that a bus arrives late is 0.25. Pretty is travelling by bus on Monday and Tuesday.

 

(i)                Illustrate this information on a probability tree diagram.

 

(ii)             Calculate the probability the bus is on time both days.

 

(iii)           Calculate the probability the bus is late any one of the day.

 

 

(iv)            Calculate the probability the bus is on time at least one day. 

Answer 1

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