Q. 75.0( 1 Vote )

For the following A. 0

B. –1

C. –2

D. –1.8

Answer :

The probability distribution of X is:



We Know that



Therefore,


(-4×0.1)+(-3×0.2)+(-2×0.3)+(-1×0.2)+(0×0.2)


-0.4-0.6-0.6-0.2


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