J.D. Power and Associates says that 60 percent of car buyers now use the Interne

Question

J.D. Power and Associates says that 60 percent of car buyers now use the Internet for research and price comparisons.

(a)
Find the probability that in a sample of 8 car buyers, all 8 will use the Internet. (Round your answer to 4 decimal places.)

_____ Probability


(b) At least 5. (Round your answer to 4 decimal places.)

_____ Probability


(c) More than 4. (Round your answer to 4 decimal places.)

_____ Probability


(d) Find the mean and standard deviation of the probability distribution. (Round your standard deviation to 3 decimal places.)

____ Mean
____ Standard Deviation

Explanation / Answer

J.D. Power and Associates says that 60 percent of car buyers now use the Internet for research and price comparisons. (a) Find the probability that in a sample of 8 car buyers, all 8 will use the Internet; Ans: 0.6^8 --------------- (b) at least 5 P(5

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