1 Answer

Antoine Pelletier · Answer 1 · 2023-01-11T08:01:47+0000

ANSWER:

Explanation:

Given:

mean (µ) = 49

standard deviation (σ) = 8

To calculate the value of z for the 12th percentile we do the following:

$\begin{gathered} P(ZValue of z at 12 percentile is -1.175, therefore z = -1.175.<p>Now, using z-score formula,</p>[tex]undefined$

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