Homework Answers
Answer)
First we need to find the value of alpha
Alpha = 100-28 = 72 (0.72)
Now we know that, standard normal z table is symmetrical in nature
So, 0.72/2 would lie on both sides
0.36
From z table, p(z<-0.36) = 0.3595 ~ 0.36
And due to symmetrical nature
P(z>0.36) = 0.36
So, 28% lies in between -0.36 and 0.36
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