Question

if x follows N(15,1) and u=12+6x,mean of u is

Answer 1

Answer:

102,18

Step-by-step explanation:

Given x= n(15,1)

(a) if we will take x= n (15)

then u = 12+ 6×15

u = 12+90

u = 102

(b) if we will take x= n(1)

then u = 12+6×1

u = 12+6

u = 18

Answer 2

Answer:

Step-by-step explanation: