# Question: Let p equal the proportion of college students who favor

Let p equal the proportion of college students who favor a new policy for alcohol consumption on campus. How large a sample is required to estimate p so that the maximum error of the estimate of p is 0.04 with 95% confidence when the size of the student body is

(a) N = 1500?

(b) N = 15,000?

(c) N = 25,000?

(a) N = 1500?

(b) N = 15,000?

(c) N = 25,000?

## Answer to relevant Questions

If Y1/n and Y2/n are the respective independent relative frequencies of success associated with the two binomial distributions b(n, p1) and b(n, p2), compute n such that the approximate probability that the random interval ...A company manufactures mints that have a label weight of 20.4 grams. The company regularly samples from the production line and weighs the selected mints. During two mornings of production it sampled 81 mints, obtaining the ...For the data given in Exercise 6.5-4, with the usual assumptions, In Exercise 6.5-4 (a) Find a 95% confidence interval for μ(x) when x = 2, 3, and 4. (b) Find a 95% prediction interval for Y when x = 2, 3, and 4. A researcher claims that she can reduce the variance of N(μ,100) by a new manufacturing process. If S2 is the variance of a random sample of size n from this new distribution, she tests H0: σ2 = 100 against H1: σ2 < 100 ...Let X and Y denote the weights in grams of male and female common gallinules, respectively. Assume that X is N(μX, σ2x) and Y is N(μY, σ2Y). (a) Given n = 16 observations of X and m = 13 observations of Y, define a test ...Post your question