Golf Course Designer Roberto Langabeer Is Evaluating Two Sites, Palmetto $\bar { x }$

question 1

Multiple Choice

Golf course designer Roberto Langabeer is evaluating two sites, Palmetto Dunes and Ocean Greens, for his next golf course.He wants to prove that Palmetto Dunes residents (population 1) play golf more often than Ocean Greens residents (population 2) .Roberto commissions a market survey to test this hypothesis.The market researcher used a random sample of 64 individuals from each suburb, and reported the following: $\bar { x }$ ₁ = 15 times per month and $\bar { x }$ ₂ = 14 times per month.Assume that $\sigma$ ₁ = 2 and $\sigma$ ₂ = 3.With $\alpha$ = .01, the observed z value is _________________.

• A)2.22
• B)12.81
• C)4.92
• D)3.58
• E)1.96

---

Definitions:

Substitutes

Products or services that can be used in place of each other.

Substitutes

Products or services that can be used in place of one another, where an increase in the price of one leads to an increased demand for the other.

Complements

Goods or services that are used together, where an increase in the consumption of one leads to an increase in the consumption of the other.

Law of Supply

The principle that, other things equal, an increase in the price of a good leads to an increase in the quantity supplied, and vice versa.