Find the expected value and standard error of sum

Reference no: EM13150756

A computer is programmed to take the sum of 400 draws made at random with replacement from the magic box:
0 2 4 6 8

a. What is the value range for the sum of 400 draws (the possible lowest value and the largest value of the sum of 400 draws)?

b. What is the expected value and standard error of the sum of 400 draws?

c. What is the chance that the sum is less than 1500? (using the normal approximation)

Reference no: EM13150756

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