Question: STAT 50-Final Exam -Spring 2021-Form B Section#36428 Instructor: Su Lan Wong Name: Q5. (10 points) Assume that when adults with smartphones are randomly selected, 58%

STAT 50-Final Exam -Spring 2021-Form B Section#36428 Instructor: Su Lan Wong Name: Q5. (10 points) Assume that when adults with smartphones are randomly selected, 58% use them in meetings or classes. If 40 adult smartphones users are randomly selected. a) Find the mean and standard deviation for the numbers of adults use smartphones in the meeting or classes. b) Find the probability that fewer than 8 of them use their smartphones in meetings or classes

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