Suppose That the Following Is to Be Tested $\mathrm { H } _ { 0 } : \mathrm { p } = 0.72$

question 37

Multiple Choice

Suppose that the following is to be tested: $\mathrm { H } _ { 0 } : \mathrm { p } = 0.72$ and $\mathrm { H } _ { \mathrm { a } } : \mathrm { p } \neq 0.72$ . Calculate the observed z-statistic for the following sample data: Sixty-eight out of ninety test subjects have the characteristic of interest. Round to the nearest thousandth.

• A) \(z = 0.751\)
• B) \(z = 0.756\)
• C) \(z = - 0.751\)
• D) \(\mathrm { z } = 0.453\)

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Definitions:

Evolution of Altruism

The process through which selfless behaviors that benefit other individuals at a cost to oneself become advantageous in evolutionary terms.

Group Selection

A theory in evolution proposing that natural selection operates on groups, not just individuals, for the survival benefit of the group.

Forage

The act of searching for and exploiting food resources in the environment by animals.

Monogamy Hypothesis

The theory suggesting that monogamy is favored in certain environments as it enhances offspring survival through biparental care.