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A person has undertaken a construction job. The probabilities are 0.65 that there will be strike. 0.80 that the construction job will be completed on time if there is no strike, and 0.32 that the construction job will be completed on time if ther

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Probability of having strike

` P(A)=0.05 `

Probability of not having strike ` P(overlineA)=1-0.65=0.35 `

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A person has undertaken a construction job. The probabilities are 0.80 that there will be a strike, 0.70 that the construction job will be completed on time if there is no strike, and 0.4 that the construction job will be completed on time if there is a strike. Determine the probability that the construction job will be completed on time.

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In a building programme the event that all the materials will be delivered at the correct time is M, and the event that the building programme will be completed on time is F. Given that P(M)=0.8 &P(MnnF)=0.65. If P(F) = 0.7, find the probability that the building program me will be completed on time if all the materials are not delivered at the correct time.

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A man starts a job, working at the rate of 1 unit a day. After each day, another man joins the working group. The man who joins on the xth day of the job works until the job is completed, at x units per day.The job is completed in 4 days. The time the man who started the work would have taken to complete the job alone is (in days) :

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