Chapter 11: Q.21 (page 655)

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

Given Information

Given data:

$\begin{array}{l} Ethnicity & \begin{array}{l} Percentage of total county \\ population \end{array} & \begin{array}{l} Number expected (round to two \\ decimal places) \end{array} \\ White & 42.9 % & 1748.18 \\ Hispanic & 26.7 % \\ \begin{array}{l} BlacklAfrican- \\ American \end{array} & 2.6 % \\ \begin{array}{l} Asian, Pacific \\ Islander \end{array} & 27.8 % \\ Total = 100 % \end{array}$

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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Face Value	Frequency	Expected Frequency
1	15
2	29
3	16
4	15
5	30
6	15

Business Type	Number in class	Observed Number that recycles one commodity	Expected number that recycles one commodity
office	$35$	$19$	$17.5$
Retail/ Wholesale	$48$	$27$	$24$
Food/ Restaurants	$53$	$35$	$26.5$
Manufacturing/ Medical	$52$	$21$	$26$
Hotel/Mixed	$24$	$9$	$12$

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

Step by step solution

Given Information

Explanation

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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=0.05Decision: ________________Reason for the Decision: ________________Conclusion (write out in complete sentences): ________________

Short Answer

Step by step solution

Given Information

Explanation

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Logic and Functions

Pure Maths

Geometry

Discrete Mathematics

Theoretical and Mathematical Physics

Probability and Statistics

Study anywhere. Anytime. Across all devices.

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):