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esearchers at a reputable university and a reputable health organization claim that approximately 74% of people bel tranquilizers work very well to make a person more calm and relaxed." Of the next 80 people interviewed, what is the robability that a) at least 51 are of this opinion? ) at most 55 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.) >) The probability is Round to four decimal places as needed.)

esearchers at a reputable university and a reputable health organization claim that approximately 74% of people bel tranquilizers work very well to make a person more calm and relaxed." Of the next 80 people interviewed, what is the robability that a) at least 51 are of this opinion? ) at most 55 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.) >) The probability is Round to four decimal places as needed.)

A First Course in Probability (10th Edition)
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 74% 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 51 are of this opinion? (b) at most 55 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.)
Transcribed Image Text:Researchers at a reputable university and a reputable health organization claim that approximately 74% 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 51 are of this opinion? (b) at most 55 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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