Find the mean of this probability distribution SolutionThe m

Find the mean of this probability distribution.

Solution

The mean of the given probabilty distribution has been computed as under:

x

P(x)

X*P(x)

0

0.25

0.00

1

0.20

0.20

2

0.25

0.50

3

0.30

0.90

SUM

1.60

The mean of the given probability distribution is 1.6.

x	P(x)	X*P(x)
0	0.25	0.00
1	0.20	0.20
2	0.25	0.50
3	0.30	0.90
	SUM	1.60