Question

Find V(X) for the following probability distribution:
X
8
12
16
20
24

P(X)
1/8
1/6
3/8
1/4
1/12​

Answer 1

Answer:

v(x) is 288

Explanation:

as probability of 24is 1/12

I. e, p(x) =x/v(x)

=v(x) =x/p(x)

1. v(x) =24/1/12
2. v(xl=24*12=288