Question

Asked Feb 26, 2019

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Step 1

**Question 3:**

**Introduction:**

Let *X* be the weight of a randomly selected 5^{th} grader. The mean weight is *μ* = 65 pounds and variance is *σ*^{2} = 86 pounds^{2}. The weights are normally distributed.

Thus, the standard deviation is: *σ* = √86 pounds = 9.27 pounds.

Step 2

**Calculation for Question 3:**

The probability is:

Step 3

**Question 4:**

**Introduction:**

Let *Y* be the entry-level wage of a randomly selected male college graduate. The mean wage of a male graduate is *μ* = $20.24 and standard deviation is *σ* = $3.94. The wages are normally dis...

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