Assume that when adults with smartphones are randomly selected, 49% use them in meetings or classes. If 9 adult smartphone users are randomly selected, find the probability that at least 3 of them use their smartphones in meetings or classes.
Accepted Solution
A:
Answer: 0.18173219The probability is that at least 6 of 9 adults use their smartphones in meetings or classes is 0.18173219Hope this helps!!! Good luck!!! ;)