Determine If the Outcome Is Unusual $\mu - 2 \sigma$ Or Greater Than

question 7

Multiple Choice

Determine if the outcome is unusual. Consider as unusual any result that differs from the mean by more than 2 standard deviations. That is, unusual values are either less than $\mu - 2 \sigma$ or greater than $\mu + 2 \sigma$ .
-According to AccuData Media Research, 36% of televisions within the Chicago city limits are tuned to "Eyewitness News" at 5:00 pm on Sunday nights. At 5:00 pm on a given Sunday, 2500 such televisions are randomly selected and checked to determine what is being watched. Would it be unusual to find that 872 of the 2500 televisions are tuned to "Eyewitness News"?

• A)No
• B)Yes

---

Definitions:

Lunch Counter

A counter, typically in a diner or pharmacy, where customers can sit and order food, historically significant in the American civil rights movement due to sit-ins at segregated counters.

DDT

A synthetic pesticide once widely used for controlling insects, later banned in many countries due to environmental and health concerns.

Vietnam War

A conflict from 1955 to 1975 involving North Vietnam, supported by its communist allies, and South Vietnam, backed by the United States, resulting in significant human and economic losses.

Letter From Birmingham Jail

An open letter written by Martin Luther King Jr. in 1963, advocating for civil rights and expressing the importance of nonviolent protest.