It would help if you proofread your questions before you posted them.
What are a and b?
You cannot copy and paste here.
Might this help?
Z = (score-mean)/SD
Assume that women's heights are normally distributed with a mean given by mu equals 63.8 inμ=63.8 in, and a standard deviation given by sigma equals 3.1 inσ=3.1 in. Complete parts a and b.
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