1.Suppose that 65% of families in town own a computer. If 8 families are surveyed at random,...
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1.Suppose that 65% of families in town own a computer. If 8 families are surveyed at random, what is the probability that exactly 3 own a computer?
2.Suppose that 65% of families in town own a computer. If 8 families are surveyed at random, what is the probability that all 8 own a computer?
3.Suppose that 65% of families in town own a computer. Find the expected value of families who own a computer.
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