Question

9. If the Standard deviation of x is 3, what is the variance of (5-2x)?
(a) 36
(b) 6
(c) 1
(d) 9​

Answer 1

(a)36 is the correct answer to this question.

Answer 2

Answer:

x= 1

Step-by-step explanation:

x=3

then (5- 2x)_. (i)

putting the value of x in equation (i)

5- 2x3

5- 6

-1