Textbook ExpertVerified Tutor
9 Nov 2021
Given information
Here, the mean of the given distribution(μx)=3; The standard deviation(σx)=0.7; And the sample size(n)=400;
P(Σx < 1,186)=?
Step-by-step explanation
Step 1.
Mean for the sum=(n)(μx)=400*3=1200;
And the standard deviation for the sum of given distribution=()(σx)
=
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