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(Solved): Consider the random variable x following a discrete probability distribution taking values 0,1,2,cdo ...



Consider the random variable

x

following a discrete probability distribution taking values

0,1,2,cdots,9

, each with probability

(1)/(10)

. Then i) calculate the probability that

x

is between 3 and 7 (both inclusive). ii) calculate the mean and variance of

x

. iii) calculate the mean

Y

where

Y=x(x+1)

.

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