Suppose that 65% of all registered voters in a certain area favor a 7-day waiting period before purchase of a handgun. Among 285 randomly selected voters, determine the approximate probabiliti below. (Use the approximating normal distribution. You may need to use a table. Round your answers to four decimal places.) USE SALT (a) What is the approximate probability that at least 190 favor such a waiting period? 0.2901 (b) What is the approximate probability that more than 190 favor such a waiting period? 0.2796 (c) What is the approximate probability that fewer than 170 favor such a waiting period? 0.0332 x

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 1E
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Suppose that 65% of all registered voters in a certain area favor a 7-day waiting period before purchase of a handgun. Among 285 randomly selected voters, determine the approximate probabilities
below. (Use the approximating normal distribution. You may need to use a table. Round your answers to four decimal places.)
USE SALT
(a) What is the approximate probability that at least 190 favor such a waiting period?
0.2901
(b) What is the approximate probability that more than 190 favor such a waiting period?
0.2796
(c) What is the approximate probability that fewer than 170 favor such a waiting period?
0.0332
X
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Transcribed Image Text:Suppose that 65% of all registered voters in a certain area favor a 7-day waiting period before purchase of a handgun. Among 285 randomly selected voters, determine the approximate probabilities below. (Use the approximating normal distribution. You may need to use a table. Round your answers to four decimal places.) USE SALT (a) What is the approximate probability that at least 190 favor such a waiting period? 0.2901 (b) What is the approximate probability that more than 190 favor such a waiting period? 0.2796 (c) What is the approximate probability that fewer than 170 favor such a waiting period? 0.0332 X Need Help? Read It Master It
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