Question

it’s the year 1995 and John Smith is staying overnight at a hotel before an important meeting the next morning.He asked the Customer Service desk to give him a. 7am wake-up call. The probability that he gets the call is 0.9.If he gets the call, the probability that he will arrive for the meeting on time is 0.9. If the call is not given, the probaility that he willl be on time for the meeting is 0.4.

a.Calculate the probability that John Smith will nor arrive on time for the meeting.

b.If john Smith is on time for the meeting , the probability that the wake-up call was not made is .

Answer 1

I had used G,A,NG,NA to define the events but you can use any variable or write complete line again & again so decide yourself.

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