Question

I just need help with letter c for this question. It is for homework

Answer 1

SOLUTION:

Case: Z-score

Method:

z=?

$\begin{gathered} z=\frac{x-\mu}{\sigma} \\ z=\frac{1.7}{2.3} \\ z=0.74 \end{gathered}$

Final answer: (2 decimal places)

z= 0.74