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Graph the situation. Label and scale the horizontal axis. Mark the mean and test statistic. Shade in the region corresponding to the p-value.

Let α=0.05

Decision: ________________

Reason for the Decision: ________________

Conclusion (write out in complete sentences): ________________

Short Answer

Expert verified

The graph:

α=0.05

Decision: Reject the null hypothesis and the alternative is accepted.

Reason for the Decision: p-value <α

Conclusion: AIDS cases do not reflect the ethnic makeup of Santa Clara County's general population.

Step by step solution

01

Given Information

Given data:

EthnicityPercentage of total countypopulationNumber expected (round to twodecimal places)White42.9%1748.18Hispanic26.7%BlacklAfrican-American2.6%Asian, PacificIslander27.8%Total=100%

02

Explanation

The graph:


α=0.05

Decision: The alternative is accepted if the null hypothesis is rejected.

Reason for the Decision: p-value <α.

Conclusion: AIDS cases do not reflect the ethnic makeup of Santa Clara County's general population.

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