1.In the work force of a large company, 70% of the employees are high school graduates, 8% are supervisors, and 5% are both supervisors and high school graduates. From this information, answer these questions. (a) if the employee is high-school graduates, what is the probability he is a supervisors? (b) if the employee is not a high school graduate, what is the probability he is a supervisor?
2.A town has 2 fire engines operating independently. The probability that a specific engine is available when needed is 0.96.
a.What is the probability that neither is available when needed?
b.What is the probability that a fire engine is available when needed?
3.Two cards are drawn from a well shuffled ordinary deck of 52 cards. Find the probability that they are both aces if the first card is a) replaced , b) not replaced
4.Two cards are drawn from a well shuffled ordinary deck of 52 cards. Find the probability that they are both aces if the first card is a) replaced , b) not replaced.
2007-07-31
22:21:35
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4 answers
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asked by
Anonymous
in
Mathematics