Question: Questions 4 to 6 are based on the information below x 0 1 2 3 4 P(X=x) p 0.3 2p 0.3 p 4. The value

Questions 4 to 6 are based on the information below

x 0 1 2 3 4
P(X=x) p 0.3 2p 0.3 p

4. The value of p is?

A. 0.3

B. 0.1

C. 0.2

D. 0.15

5. The value of E[X] is?

A. 2.1

B. 2.15

C. 1.9

D. 2.0

6. The Var (X) is?

A. 0.4

B. 1.4

C. 0.15

D. 1.0

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