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Find the probability that in a sample

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Reference no: EM132232603

J.D. Power and Associates says that 50 percent of car buyers now use the Internet for research and price comparisons.

(a) Find the probability that in a sample of 9 car buyers, all 9 will use the Internet. (Round your answer to 4 decimal places.)

Probability

(b) Find the probability that in a sample of 9 car buyers, at least 6 will use the Internet. (Round your answer to 4 decimal places.)

Probability

(c) Find the probability that in a sample of 9 car buyers, more than 5 will use the Internet. (Round your answer to 4 decimal places.)

Probability

(d) Find the mean and standard deviation of the probability distribution. (Round your mean value to 2 decimal places and standard deviation to 4 decimal places.)

Mean

Standard deviation

Reference no: EM132232603

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