Answered

for a sample with M=72 and s=4, what is the X value corresponding to z= -2.00

fórmulas:

z= X-M/s
X=M+zs

the answer is 64, i just can’t seem to get to that answer.

Answer :

Answer:

-2.00 = X - 72 / 4

-2 × 4 = X - 72

-8 = X - 72

X = -8 + 72

X = 64

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