22. If two random variables x and y are related as y=-3x + 4 and standard deviation of x is
2, then the standard deviation of y is
(a) - 6
(b) 6
(c) 18
(d) 3.50
Answers
Answered by
4
Answer:
a) -6.........................
Answered by
3
Answer:
6
Step-by-step explanation:
y = l-3x+4l
= l -3(2)+0l
= l-6l
= 6
Similar questions