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Solve with complete steps Let X be sum of 30 iid random variables. Each of the...

Solve with complete steps

Let X be sum of 30 iid random variables. Each of the 30 random variables has mean 65 and
standard deviation 5.
a) Estimate probability of ? ≥ 2000.
b) Estimate probability of 1850 ≤ ? ≤ 2050.

Math   Statistics-And-Probability   
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