It was determined that 75% of UNAM students smoke frequently, a sample of 100 students was taken a) What is the probability that the proportion of the sample of students who smoke is less than 0.65? b) What is the probability that the proportion of the sample of students who smoke is greater than 0.65?

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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It was determined that 75% of UNAM students smoke frequently, a sample of 100 students was taken

a) What is the probability that the proportion of the sample of students who smoke is less than 0.65?

b) What is the probability that the proportion of the sample of students who smoke is greater than 0.65?

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