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Mathematics, 15.11.2019 02:31 Patricia2121

Recycling trash, reducing waste, and reusing materials are eco-actions that will the environment. according to a usa today snapshot, 78% of respondents list recycling as the leading way to our environment. suppose that a random sample of n=100 adults is selected and that the 78% figure is correct. a. does the distribution of p^, the sample proportion of adults who list recycling as the leading way to the environment have an approximate normal distribution? if so, what is its mean and standard deviation? b. what is the probability that the sample proportion p^ is less than 75%? c. what is the probability that p^ lies in the interval .7 to .75? d. what might you conclude about p if the sample proportion were less than .65?

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