Answer to Question #262254 in Other for Ali

Question

In a 2009 poll of adults 18 years and older, (BBMG Conscious Consumer Report) about half of

them said that despite tough economic times, they are willing to pay more for products that have social

and environmental benefits. Suppose that 50% of all such adults currently hold this view. Suppose that

a random sample of 20 such adults is selected. Use the binomial probabilities table (Table I of Appendix

C) or technology to find the probability that the number of adults in this sample who hold this

opinion is

a. at most 7 b. at least 13 c. 12 to 15

Answer 1

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