A survey of U.S. adults found that 41% would be comfortable using a cell phone scan as an airline, train, or other transportation ticket. You randomly select 20 U.S. adults and ask them whether they would be comfortable using a cell phone scan as an airline, train, or other transportation ticket.
A binomial experiment is given. Determine whether you can use a normal distribution to approximate the binomial distribution. If you can, find the mean and standard deviation. If you cannot, explain why. |

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