A random variable which is distributed normal with mean

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Reference no: EM13496149

Let X be a random variable which is distributed normal with mean 200, but you don't know the standard deviation. Do pairwise comparisons (greater than, equal to, less than or can't say) for the following four quantities:
a. P(100<x<120)
b. P(280<x<310)
c. P(120<x<140)
d. P(x>280)

Reference no: EM13496149

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