Question: I need help on this question: 6. (a) In an opinion poll of n = 500 randomly chosen adults in a community, 60% indicate that

I need help on this question:

6. (a) In an opinion poll of n = 500 randomly chosen adults in a community, 60% indicate that they like a newly launched advertisement for a product. Using normal approximation to the binomial distribution, find an approximate 95% confidence interval for p, the overall proportion of adults in the community who like the newly launched advertisement. Does the interval include p = 0.5? Do you think that a majority of adults in the community like the newly launched advertisement? (b) Let X1,X2, ..., X16 be a random sample from N(0, 1) distribution, where -co

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