Question

if the random variable x takes the values -1,0 and 1 such that p(x= -1) = 2p(x = 0) =p(x =1), find the mean of 2x -5.​

Answer 1

Step-by-step explanation:

38. The side of an equilateral triangle is denoted by l express the perimeter of the

epuilateral triangle in terms of 1. ?