Find the Z-Score Corresponding to the Given Value and Use $- 22.8$

question 55

Short Answer

Find the z-score corresponding to the given value and use the z-score to determine whether the value is unusual.
Consider a score to be unusual if its z-score is less than -2.00 or greater than 2.00. Round the z-score to the nearest tenth if necessary.
-A test score of 50.2 on a test having a mean of 73 and a standard deviation of 12. A) $- 22.8$ ; unusual
B) $- 1.9$ ; not unusual
C) -1.9; unusual
D) $1.9$ ; not unusual

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Definitions:

Residual Value

The estimated amount that an asset will be worth at the end of its useful life.

Perpetual Inventory System

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Marketing Tool

Any strategy, method, or resource used by companies to promote their products or services and increase market share.

Bargain Purchase Option

A lease option that allows the lessee to purchase the leased asset at the end of the lease term for a price significantly lower than the expected fair market value.