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Solved: In Exercise, a binomial experiment is given.
Chapter , Problem 62E(choose chapter or problem)
Problem 62E
In Exercise, 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.
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.
Questions & Answers
QUESTION:
Problem 62E
In Exercise, 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.
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.
ANSWER:
Solution:
Step 1 of 2:
In a survey it is found that 41% would be comfortable using a cell phone scan as an airline, train, or other transportation ticket.
20 U.S. are randomly selected and ask them whether they would be comfortable using a cell phone scan as an airline, train, or other transportation ticket.
We have to determine whether we can use a normal distribution to approximate the binomial distribution.