The Test Scores from a Recent Mathematics Test Are as Follows

question 110

Multiple Choice

The test scores from a recent Mathematics test are as follows: 95.5,65.9,93.2,88.6,56.8,50,86.4,54.5,40.9,77.3,79.5,65.9,70.5,77.3,81.8,50,79.5,and 68.2.The mean score was 71.2 with a standard deviation of 15.5.If the Normal model is appropriate,what percent of the scores will be less than 40.2?

• A)0.15%
• B)10%
• C)5%
• D)15.87%
• E)2.28%

---

Definitions:

Lump Sum Payment

A lump-sum payment made on a certain occasion, in contrast to sequential smaller payments.

Employment Contract

A formal agreement that specifies the terms of the relationship between an employer and an employee, including duties, duration, and compensation.

Funds

Financial resources set aside for a specific purpose or investment.

Preferred Stock

A class of ownership in a corporation with a fixed dividend that must be paid out before dividends to common stockholders, typically without voting rights.