Based on a smartphone survey, assume that 50% of adults with smartphones use them in theaters. In a separate survey of 292 adults with smartphones, it is found that 142 use them a. If the 50% rate is correct, find the probability of getting 142 or fewer smartphone owners who use them in theaters. b. Is the result of 142 significantly low? theaters. a. If the 50% rate is correct, the probability of getting 142 or fewer smartphone owners who use them in theaters is (Round to four decimal places as needed.) b. Is the result of 142 significantly low? v because the probability of this event is v than the probability cutoff that corresponds to a significant event, which is

Based on a smartphone survey, assume that 50% of adults with smartphones use them in theaters. In a separate survey of 292 adults with smartphones, it is found that 142 use them a. If the 50% rate is correct, find the probability of getting 142 or fewer smartphone owners who use them in theaters. b. Is the result of 142 significantly low? theaters. a. If the 50% rate is correct, the probability of getting 142 or fewer smartphone owners who use them in theaters is (Round to four decimal places as needed.) b. Is the result of 142 significantly low? v because the probability of this event is v than the probability cutoff that corresponds to a significant event, which is

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Based on a smartphone survey, assume that 42% of adults with smartphones use them in theaters. In a seperate survey os 221 adults, it is found that 91 use them in theaters. A. If the 42% rate is correct, find the probability of getting 91 or fewer smartphone owners who use them in theaters. B. Is the result of 91 low?
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Based on a smartphone survey, assume that 43% of adults with smartphones use them in theaters. In a separate survey of 241 adults with smartphones, it is found that 101 use them in theaters. a. If the 43% rate is correct, find the probability of getting 101 or fewer smartphone owners who use them in theaters. b. Is the result of 101 significantly low?
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Based on a smartphone survey, assume that 57% of adults with smartphones use them in theaters. In a separate survey of 224 adults with smartphones, it is found that 111 use them in theaters. a. If the 57% rate is correct, find the probability of getting 111 or fewer smartphone owners who use them in theaters.
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