J.D. Power and Associates says that 50 percent of car buyers now use the Internet for...
|
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 10 car buyers, all 10 will use the Internet. (Round your answer to 4 decimal places.) |
| Probability |
| (b) |
Find the probability that in a sample of 10 car buyers, at least 7 will use the Internet. (Round your answer to 4 decimal places.) |
| Probability |
| (c) |
Find the probability that in a sample of 10 car buyers, more than 6 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 | |
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