Assume that when adults with smart phones are randomly selected 61% use them in meetings or classes. if 9 adult smartpy users are randomly selected find the probability that exactly 3 of them use their smartphone in meetings or classes

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

The image of abc after a reflection across eg is abc

What is the solution for the following system of equations? use any method to solve. y = -x +4 y = x - 2 a. ( 4 , -2) b. (2, 1) c. (3, 1) d.(3, -2)