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B. Consider a random variable X which takes on values 1 and 2 with probability 0.25 and 0.75, respectively (i. e., P[x=1]=0.25 and P[x = 2] = 0.75). Determine the mean and variance of X. Plot the probability density function (pdf) and cumulative distribution function (CDF) of X.
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The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22
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B. Consider a random variable X which takes on values 1 and 2 with probability 0.25 and 0.75, respec...
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