A Frequency Distribution Has a Mean of 100 and a Standard

question 46

Multiple Choice

A frequency distribution has a mean of 100 and a standard deviation of 20. The class limits for one class are 50 up to 60. Based on the normal distribution,what is the probability that an observation would be in this class?

• A)0.4938
• B)0.4772
• C)0.0166
• D)−0.0166

---

Definitions:

Appendectomy

A surgical procedure to remove the appendix, often performed to treat appendicitis.

Cultural Heritage

The legacy of physical artifacts and intangible attributes of a group or society inherited from past generations, preserved for future ones.

Diaphoresis

Excessive sweating often associated with an underlying medical condition or physical exertion.

Deodorant

A substance applied to the body, most commonly the underarms, to prevent or mask body odor caused by the bacterial breakdown of perspiration.