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According to a  study by the Pew Research Center, 15% of adults in the United States do...

According to a  study by the Pew Research Center, 15% of adults in the United States do not use the Internet (Pew Research Center website, December, ). Suppose that 10 adults in the United States are selected randomly.

a. Is the selection of the  adults a binomial experiment?
- Select your answer -

Explain.

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b. What is the probability that none of the adults use the Internet (to 4 decimals)?

c. What is the probability that 3 of the adults use the Internet (to 4 decimals)? If you calculate the binomial probabilities manually, make sure to carry at least 4 decimal digits in your calculations.

d. What is the probability that at least 1 of the adults uses the Internet (to 4 decimals)?

Math   Statistics-And-Probability   
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