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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.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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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