Question

In a survey of U.S. adults, 16.2361% say they have had someone take over their email accounts without their permission. You randomly select 250 U.S. adults and ask them whether they have had someone take over their email accounts without their permission. Find the probability that the number of U.S. adults who say they have had someone take over their email accounts without their permission is: a) less than 45 b) at most 40 c) exactly 48

          In a survey of U.S. adults, 16.2361% say they have had someone take over their email accounts without their permission. You randomly select 250 U.S. adults and ask them whether they have had someone take over their email accounts without their permission. Find the probability that the number of U.S. adults who say they have had someone take over their email accounts without their permission is:

a) less than 45
b) at most 40
c) exactly 48

Show more…

In a survey of U.S. adults, 16.2361% say they have had someone take over their email accounts without their permission. You randomly select 250 U.S. adults and ask them whether they have had someone take over their email accounts without their permission. Find the probability that the number of U.S. adults who say they have had someone take over their email accounts without their permission is:

a) less than 45
b) at most 40
c) exactly 48

Added by Vanessa M.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Sri K

06/08/2023

Step 1

In this case, we are counting the number of successes (U.S. adults who say they have had someone take over their email accounts without their permission) in a sample of size 250, where the probability of success is 0.162361. This is a binomial distribution. a) Show more…

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In a survey of U.S. adults, 16.2361% say they have had someone take over their email accounts without their permission. You randomly select 250 U.S. adults and ask them whether they have had someone take over their email accounts without their permission. Find the probability that the number of U.S. adults who say they have had someone take over their email accounts without their permission is: a) less than 45 b) at most 40 c) exactly 48

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