Question: Use Table A. Consider a Normal distribution with mean 100 and standard deviation 10. (a) Find the proportion of the distribution with values 90 and

Use Table A. Consider a Normal distribution with mean 100 and standard deviation 10.

(a) Find the proportion of the distribution with values 90 and 105. Illustrate your calculation with a sketch.

(b) Find the values of x1 and x2 such that the proportion of the distribution with values between x1 and x2 include the central 85% of the distribution. Illustrate your calculation with a sketch.

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