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1 If comvenient, In Exercises 13-16, ind the indt echnology or Table 2 in Appendix B. find the indicated binomial probabilities.
14. Thirty-nine percent of U.S. adults have a gun in their home. You rando select 12 U.S. adults. Find the probability that the number of U.S. adults who have a gun in their home is (a) exactly two, (b) at least two, and (c) mor than two. (Source: Gallup)
math   Statistics-And-Probability   
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Answer #1

This is an application of Binomial probability distribution.

home 30 Sample s;ze =12. adults havin in thein home out 12 selec ted adults. 2-х 39) (O 61 2-91,--,12 thuvise 12 .39 .61 = 10.0716 we need, 0, 6) + (it) (0.39) (0.61We need /2 L lo = 10.9054 | [A HenelaJL the answeg are no undedtr epe eue decimal- トlaces

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