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Asked Dec 30, 2019
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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

From the given information, there are 8 adult smartphone users and 54% of use them in meetings or classes. That is, the value of n is 8 and the probability of correct answer is 0.54.

 

The random variable X as the number ...

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