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Using the z score formula use the information below to find the value of

Using The Z Score Formula Use The Information Below To Find The Value Of class=

Sagot :

Explanation

Given that

[tex]\begin{gathered} z=-4.80 \\ x=23.55 \\ \mu=32.67 \end{gathered}[/tex]

Using the z-score formula;

[tex]\begin{gathered} z=\frac{x-\mu}{\sigma} \\ -4.80=\frac{23.55-32.67}{\sigma} \\ -4.80\sigma=-9.12 \\ \sigma=\frac{-9.12}{-4.80} \\ \sigma=1.9 \end{gathered}[/tex]

Answer: 1.9

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