MsBellamy Places 14 Items on a Table in Front of Her

question 130

Multiple Choice

Ms.Bellamy places 14 items on a table in front of her class, and then she carefully watches the children's lips to see if they are silently "rehearsing" the items to help them remember what they have seen.She observes that just over half seem to use this strategy.Based on this information, what year of age are the students in Ms.Bellamy's class?

• A)3
• B)5
• C)7
• D)10

---

Definitions:

Normal Distribution

A probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Security Returns

The gains or losses on an investment over a specific period, including dividends, interest, and capital gains, usually expressed as a percentage.

Standard Deviation

A statistical measure that quantifies the variation or dispersion of a set of data points or investment returns.

Arithmetic Return

The simple average of a series of periodic returns of an investment.