An alarm company reports that the number of alarms sent to their monitoring center from customers owning their system follow a Poisson distribution with λ = 4.6 alarms per year.  Find the probability that a randomly selected customer had more than 7 alarms reported. A) 087 B) 182 C) 905 D) 818 E) 095

Assume that when adults with smartphones are randomly​ selected, 58​%use them in meetings or classes. If 13 adult smartphone users are randomly​ selected, find the probability that fewer than 4 of them use their smartphones in meetings or classes.

Assume that when adults with smartphones are randomly selected, 48% use them in meetings or classes. If 6 adult smartphone users are randomly selected, find the probability that exactly 3 of them use their smartphones in meetings or classes. ... The probability is (Round to four decimal places as needed.) Next

Assume that when silts with smartphones are randomly selected 37% use them in meetings or class. IF 6 adult smartphone users are randomly selected, find the probability that exactly 4 of them use their smartphones in meetings or classes.