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Step by step 4. 66% of Americans support death penalty (Gallup, 2004). Seven people are randomly selected. Let the random variable X be the number

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4. 66% of Americans support death penalty (Gallup, 2004). Seven people are randomly selected. Let the random variable X be the number of Americans who support death penalty. a. Explain why X is a binomial random variable. b. What is the probability that exactly 5 people selected support death penalty? c. What is the probability that at least 4 people selected are against death penalty

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