QUESTION 1.

The following data represent the responses(Y for yes and N forno) from a sample of 20 college students to the question"Do you currently own shares in anystocks?"

NNNNYYNNYNYNNNNNNYNN a. Determine the sampleproportion, p, of college students who own shares of stock.

b.If the population proportion is 0.35,determine the standard error of the proportion.

QUESTION 2.

Given a normal distribution with mean=101, sigma=15, and given a sample of n=9.

A) What is the probability Xbar is less than 91? (Actual question with symbols attached)

QUESTION 3.

Given a population of class sizes at a university in an academic year, indicate what the sampling distribution for samples of 10 would consist of: (Choose correct answer)

-The sampling distribution is the average result from all possible samples of 10 class sizes

-The sampling distribution is the distribution of the results fro all possible samples of 10 class sizes

-The sampling distribution is a representative collection of 10 samples, each containing 10 class sizes, selected with replacement

-The sampling distribution is a representative collection of 10 samples, each containing 10 class sizes, selected without replacement

\f