The Prices (In Dollars) for a Graphing Calculator Are Shown $122.5 < \mu < 135.5$

question 63

Multiple Choice

The prices (in dollars) for a graphing calculator are shown below for 8 online vendors. Estimate the true mean price for this particular calculator with 95% confidence.
121 125 151 129
127 133 121 125

• A) \(122.5 < \mu < 135.5\)
• B) \(116.9 < \mu < 141.1\)
• C) \(120.9 < \mu < 137.1\)
• D) \(126.1 < \mu < 131.9\)

---

Definitions:

Thief Phenotype

A behavioral characteristic exhibited by some individuals, where they steal resources (such as food or nesting materials) from other members of the same or different species.

Fitness Cost

A negative effect on the reproductive success of an individual, often resulting from a particular trait or behavior.

Average Fitness Payoff

A concept in evolutionary biology referring to the expected reproductive success of an organism from following a certain strategy or behavior.

Thief Phenotype

The thief phenotype describes individuals or organisms that steal resources or mates from others as an alternative reproductive strategy.