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 meetings or classes. The probability is (Round to four decimal places as needed.)
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 meetings or classes. The probability is (Round to four decimal places as needed.)
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, 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.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fefbf5e1c-56f8-418c-873a-35a30a3fbabe%2F1c11218c-2a44-42a7-9405-440db95ce151%2Fn7mim78_processed.png&w=3840&q=75)
Transcribed Image Text: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.)
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