Assume that a random variable, x, is governed by the probability distribution where x ranges from 1.00

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Assume that a random variable, x, is governed by the probability distribution

f (x) %|

where x ranges from 1.00 to 10.00.
(a) Find the mean value of x and its variance and standard deviation.
(b) Find the probability that x lies between Œ©xŒª ˆ’σx and Œ©xŒª ˆ’σx.

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