ased on a smartphone survey, assume that 56% of adults with smartphones use them in theaters. In a separate survey of 222 adults with smartphones, it is und that 123 use them in theaters If the 56% rate is correct, find the probability of getting 123 or fewer smartphone owners who use them in theaters Is the result of 123 significantly low? If the 56% rate is correct, the probability of getting 123 or fewer smartphone owners who use them in theaters is 0.0530 Eound to four decimal places as needed.)

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Based on a smartphone survey, assume that 56% of adults with smartphones use them in theaters. In a separate survey of 222 adults with smartphones, it is
found that 123 use them in theaters
a. If the 56% rate is correct, find the probability of getting 123 or fewer smartphone owners who use them in theaters
b. Is the result of 123 significantly low?
a. If the 56% rate is correct, the probability of getting 123 or fewer smartphone owners who use them in theaters is 0.0530
(Round to four decimal places as needed.)
Transcribed Image Text:Based on a smartphone survey, assume that 56% of adults with smartphones use them in theaters. In a separate survey of 222 adults with smartphones, it is found that 123 use them in theaters a. If the 56% rate is correct, find the probability of getting 123 or fewer smartphone owners who use them in theaters b. Is the result of 123 significantly low? a. If the 56% rate is correct, the probability of getting 123 or fewer smartphone owners who use them in theaters is 0.0530 (Round to four decimal places as needed.)
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