Suppose there exists a population where 60% of its members possess a certain characteristic. Let be the hat p proportion of a random sample of 399 members that also possess that certain characteristic. Determine the following probabilities. Round solutions to four decimal places, if necessary . Find the probability that the sample proportion is less than 0.56. P( hat p <0.56)=; = Box Find the probability that the sample proportion is between 0.64 and 0.67. P(0.64< hat p <0.67)=

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.2: Probability
Problem 31E
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Suppose there exists a population where 60% of its members possess a certain characteristic. Let be the hat p proportion of a random sample of 399 members that also possess that certain characteristic. Determine the following probabilities. Round solutions to four decimal places, if necessary . Find the probability that the sample proportion is less than 0.56. P( hat p <0.56)=; = Box Find the probability that the sample proportion is between 0.64 and 0.67. P(0.64< hat p <0.67)=

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