Suppose 2% of students drink more than 3 cups of coffee each day.

Question

Suppose 2% of students drink more than 3 cups of coffee each day. To check this claim, a researcher randomly selected a sample of 131 students and found that 4 drink more than 3 cups of coffee each day. What is the sampling distribution of the sample proportion? (Round to 2 decimal places for all z-values and round all other answers to 4 decimal places, if needed.) 

The distribution of the sample proportion of students drinking more than 3 cups of coffee each day _____(b1) with a mean of _______ and a standard deviation of _______.

(b1) options: (is approximately normal) or (may not be normal)

Answer 1

Hi Mish L.,

You've asked 5 questions here, and 7 questions, in great detail, on the same skill set, on successive days, without evidence you've even thought about the problems? That's spamming. Doing your entire problem set for you is first, forbidden under Wyzant rules, and second, won't help you acquire the skills you need. Ask one question, digest the lesson, and do the rest yourself -- that would be appropriate.

-- Cheers, --Mr. d.