Question

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Evaluate the formula z=
p−p
pq
n when p=
388
1386​, n=1386​, p=0.30​, and q=1−p

Answer 1

-1.63

Explanation:

Plug in the values listed into the equation

([388/1386] - 0.30) / √(0.30[1-0.30)/1386

-0.02006/0.01231

-1.63