Question: MS210 Test 2 Rev Qs 1 1. A Gaussian random variable X has mean and variance =12 and 2=5.2. (a) Calculate the z-score when X=

MS210 Test 2 Rev Qs 1 1. A Gaussian random variable X has mean and variance =12 and 2=5.2. (a) Calculate the z-score when X= 6, 12 and 15 (b) Use your calculator to get P(X<6), P(X6), P(225). (c) Find P(X<6) or P(X>10). (d) Determine the values of X for which 90% of the values lie around the mean

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