What Z-Score Values Form the Boundaries for the Middle 60

question 66

Multiple Choice

What z-score values form the boundaries for the middle 60% of a normal distribution?​

• A)z = +0.25 and z = -0.25​
• B)​z = +0.39 and z = -0.39
• C)​z = +0.52 and z = -0.52
• D)​z = +0.84 and z = -0.84

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Definitions:

Net Income

The net income of a business following the subtraction of all costs and taxes from its revenue.

Net Sales

The revenue a company earns from goods sold or services provided after returns, allowances for damaged goods, and discounts are subtracted.

Cost Of Goods Sold

The direct costs attributable to the production of the goods sold by a company, including the cost of the materials and labor directly involved in creating the product.

Percentage

A way of expressing a number as a fraction of 100, denoted by the symbol %.