Question

Asked Nov 26, 2019

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Step 1

It is given that IQ scores of adults are normally distributed mean 100 and standard deviation 15.

The required probability can be drawn using MINITAB.

Step-by-step procedure to obtain normal probability distribution plot using MINITAB:

- Go to
**Graphs**>**Probability distribution plot**>**Normal**. - Enter
**mean**as**100**and**standard deviation**as**15**. - Go to
**shaded area**>**select X-value**and**Middle** - Enter
**X1**as**106**and**X2**as - Click
**OK**.

Step 2

Output using MINITAB i...

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