3 Eco-Friendly Recycling trash, reducing waste,and reusing materials are eco-actions
Chapter 7, Problem 43(choose chapter or problem)
3 Eco-Friendly Recycling trash, reducing waste,and reusing materials are eco-actions that will help theenvironment. According to a USA Today snapshot(Exercise 6.45), 78% of respondents list recycling asthe leading way to help our environment.11 Supposethat a random sample of n 100 adults is selected andthat the 78% figure is correct. a. Does the distribution of p, the sample proportion ofadults who list recycling as the leading way to helpthe environment have an approximate normaldistribution? If so, what is its mean and standarddeviation?b. What is the probability that the sample proportion pis less than 75%? c. What is the probability that p lies in the interval .7to .75?d. What might you conclude about p if the sampleproportion were less than .65?
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