Textbook ExpertVerified Tutor
1 Nov 2021
Given information
Let X = one value from the object of interest.
ΣX = 15,200 ,
mean of unknown distribution(μX) = 19,
standard deviation(σX) = 20, and sample size(n)=?
Step-by-step explanation
Step 1.
As we know, By The Central Limit Theorem for Sums,
Mean of the Sum,
15,200= n*19
n=800
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