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Asked Jan 9, 2020
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In Exercises 21–24, assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes (based on data from an LG Smartphone survey).

If 8 adult smartphone users are randomly selected, find the probability that exactly 6 of them use their smartphones in meetings or classes.

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Expert Answer

Step 1

Define the random variable x as the number of adults who use their smartphone during meetings or classes. Here, the number of adult smartphone users (n) is 8 and each adult is independent of the other. Also, there are two possible outcomes (adults who use smartphones during meetings ...

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