Based on a smartphone survey, assume that 60% of adults with smartphones use them in theaters. In a separate survey of 272 adults with smartphones, it is found that 162 use them in theaters. a. If the 60% rate is correct, find the probability of getting 162 or fewer smartphone owners who use them in theaters. b. Is the result of 162 significantly low? a. If the 60% rate is correct, the probability of getting 162 or fewer smartphone owners who use them in theaters is (Round to four decimal places as needed.)

Based on a smartphone survey, assume that 60% of adults with smartphones use them in theaters. In a separate survey of 272 adults with smartphones, it is found that 162 use them in theaters. a. If the 60% rate is correct, find the probability of getting 162 or fewer smartphone owners who use them in theaters. b. Is the result of 162 significantly low? a. If the 60% rate is correct, the probability of getting 162 or fewer smartphone owners who use them in theaters is (Round to four decimal places as needed.)

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Description: Based on a smartphone survey, assume that 60% of adults with smartphones use them in theaters. In a separate survey of 272 adults with smartphones, it is found that 162 use them in theaters.a. If the 60% rate is correct, find the probability of gett

MATLAB: An Introduction with Applications

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Author:Amos Gilat

Publisher:Amos Gilat

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Concept explainers

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.

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Based on a smartphone survey, assume that 60% of adults with smartphones use them in theaters. In a separate survey of 272 adults with smartphones, it is found that 162 use them in theaters.
a. If the 60% rate is correct, find the probability of getting 162 or fewer smartphone owners who use them in theaters.
b. Is the result of 162 significantly low?
a. If the 60% rate is correct, the probability of getting 162 or fewer smartphone owners who use them in theaters is.
(Round to four decimal places as needed.)

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