Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes. If 7 adult smartphone users are randomly selected, find the probability that at least 4 of them use their smartphones in meetings or classes......The probability is(Round to four decimal places as needed.)

According to binomial theorem for n number of random experiments having only two independent events…

Answered: Assume that when adults with…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Assume that when adults with smartphones are randomly selected,45 % use them in meetings or classes. If 13 adult smartphone users are randomly selected, find the probability that fewer than 3 of them use their smartphones in meetings or classes. The probability is
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