Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes. If 7 adult smartphone users are randomly selected, find the probability that at least 3 of them use...

Extracted text: Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes. If 7 adult smartphone users are randomly selected, find the probability that at least 3 of them use their smartphones in meetings or classes. The probability is 0.108 (Round to four decimal places as needed.)