207k views
5 votes
Assume that when adults with smartphones are randomly​ selected, 37​% use them in meetings or classes. If 9 adult smartphone users are randomly​ selected, find the probability that exactly 2 of them use their smartphones in meetings or classes.

A. Assume that when adults with smartphones are randomly​ selected, 41​% use them in meetings or classes. If 20 adult smartphone users are randomly​ selected, find the probability that exactly 12 of them use their smartphones in meetings or classes.
B. Assume that when adults with smartphones are randomly​ selected, 45​% use them in meetings or classes. If 6 adult smartphone users are randomly​ selected, find the probability that at least 3 of them use their smartphones in meetings or classes

1 Answer

3 votes

Answer:

Explanation:

if john has 12 apples how many does brandon have