Question: 1.Below shows a discrete probability distribution:[10] x 1 2 3 4 5 P(x) 0.2 0.3 m 0.1 0.1 Find: (a)The value of m (b)(3P(x) <

1.Below shows a discrete probability distribution:[10]

x

1

2

3

4

5

P(x)

0.2

0.3

m

0.1

0.1

Find:

(a)The value of m

(b)(3P(x) < 5)

(c)(P(x)2)

(d)What is the expected value of x?

(e)What is the standard deviation of this distribution?

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