A Survey Found That in a Random Sample of 72 $\alpha = 0.05$

question 66

Multiple Choice

A survey found that in a random sample of 72 families, 21 owned dogs. A survey done 15 years ago found that in a random sample of 63 families, 28 owned dogs. At $\alpha = 0.05$ , has the proportion of dog owners changed over the 15 -year period? USe the $P$ -value method.

• A) There is not enough information to draw a conclusion.
• B) No. There is not sufficient evidence to conclude that the proportion of dog owners has changed.
• C) Yes. There is sufficient evidence to conclude that the proportion of dog owners has changed.

Explain the significance of pigment composition in algae and its environmental responses.

Recognize the evolutionary development of plant structures such as stomata.

Describe the relationship between stoneworts and land plants and their evolutionary significance.

Distinguish between the most ancient and modern lineages of plants based on morphology and genetics.

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Definitions:

Monthly Rent

The periodic payment made by a tenant to a landlord for the use of premises.

Sunk Costs

Expenses that have already been incurred and cannot be recovered, and thus should not affect future decisions.

Accounting Methods

refer to the systematic techniques used to record, summarize, and report financial transactions of a business.

Variable Costs

Costs that change in proportion to the level of goods or services produced or sold.