Researchers at a reputable university and a reputable health organization claim that approximately 74% of people believe "tranquilizers work very well to make a persor more calm and relaxed." Of the next 80 people interviewed, what is the probability that (a) at least 49 are of this opinion? (b) at most 53 are of this opinion? Click here to view page 1 of the standard pormal distribution table

Researchers at a reputable university and a reputable health organization claim that approximately 74% of people believe "tranquilizers work very well to make a persor more calm and relaxed." Of the next 80 people interviewed, what is the probability that (a) at least 49 are of this opinion? (b) at most 53 are of this opinion? Click here to view page 1 of the standard pormal distribution table

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Researchers at a reputable university and a reputable health organization claim that approximately 77% of people believe "tranquilizers work very well to make a person more calm and relaxed." Of the next 80 people interviewed, what is the probability that (a) at least 52 are of this opinion? (b) at most 58 are of this opinion? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. (a) The probability is (Round to four decimal places as needed.) (b) The probability is (Round to four decimal places as needed.)
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