With Normal distribution average µ = 90 and standard deviation σ = 20 calculate probability t
Question: With Normal distribution average µ = 90 and standard deviation \[\sigma =\] 20
calculate probability that x is between 68 and 95. Use z-value and Appendix Tables C or Excel function.
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Deliverables: Word Document![](/images/msword.png)
Deliverables: Word Document
![](/images/msword.png)