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Half of a set of the parts are manufactured by machine A and half by machine B. Four (.04) of all the parts are defective. Six percent (6%) of the parts manufacture on machine A are defective. Find the probability that a part was manufactured on machine A...

The probability that a 30-year old white male will live another year is .99842. What premium would an insurance company charge to break even on a 1-year $1 million dollar term life insurance policy?

The time it takes to give a man a shampoo and haircut is normally distributed with a mean of 22 minutes and standard deviation of 3 minutes. Customers are scheduled every 30 minutes. (a) What is the probability that a male customer will take longer than t...

je voudrais de l aide pour mettre 3 dizaine de millier, 2 centaines et 8 dizaine en chiffres