Question
A survey of U.S. adults found that 86% of those who use the Internet keep track of their online passwords in their heads. You randomly
A survey of U.S. adults found that 86% of those who use the Internet keep track of their online passwords in their heads. You randomly select 30 U.S. adults who use the Internet. Find the probability that the number who keep track of their online passwords in their heads is (a) exactly 25, (b) more than25, and (c)less than 25. Identify any unusual events. Explain. (Source:
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Mathematical Applications For The Management, Life And Social Sciences
Authors: Ronald J. Harshbarger, James J. Reynolds
12th Edition
978-1337625340
