Suppose 2% of students drink more than 3 cups of coffee each day. To check this claim, a researcher randomly selected a sample of 128 students and found that 4 drink more than 3 cups of coffee each day. What is the sampling distribution of the sample proportion? (Round your answers to four decimal places, if needed.) The distribution of the sample proportion of students drinking more than 3 cups of coffee each day (is approximately normal?)  with a mean of _____ and a standard deviation of ________

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Suppose 2% of students drink more than 3 cups of coffee each day. To check this claim, a researcher randomly selected a sample of 128 students and found that 4 drink more than 3 cups of coffee each day. What is the sampling distribution of the sample proportion? (Round your answers to four decimal places, if needed.)

The distribution of the sample proportion of students drinking more than 3 cups of coffee each day (is approximately normal?)  with a mean of _____ and a standard deviation of ________

 
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