Course Solutions Uncategorized (Answered) : Seventy Percent Individuals Living United States Smart Phone Suppose Select Random Sample Q32478506

(Answered) : Seventy Percent Individuals Living United States Smart Phone Suppose Select Random Sample Q32478506

June 27, 2024June 27, 2024| adminadmin| 0 Comment| 6:53 pm
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Seventy percent of all individuals living in the United States have a smart phone. Suppose you select a random sample of 11 individuals who live in the United States. Define X to be a binomial random variable representing whether or not an individual living in the United States has a smart phone. (Use only the approprlate formula and/or statlstical table In your textbook to answer thls question. Report your answer to 3 declmal places,using conventlonal rounding rules) a. What is the probability that no more than five of the sampled individuals have a smart phone? b. What is the probability that at least 7, but less than 11, of the sampled individuals have a smart phone? c. On average, how many of the eleven sampled individuals would you expect to have a smart phone?

Seventy

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