Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN: 9780547587776
Author: HOLT MCDOUGAL
Publisher: HOLT MCDOUGAL
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Question 9?
Question 9
<
The National Institute of Mental Health published an article stating that in any one-year period,
approximately 8.4% of American adults suffer from depression or a depressive illness. Suppose that in a
survey of 2000 people in a certain city, 10.7% of them suffered from depression or a depressive illness.
Conduct a hypothesis test to determine if the true proportion of people in that city suffering from
depression or a depressive illness is more than the 8.4% in the general adult American population. Test the
relevant hypotheses using a 1% level of significance. Give answer to at least 4 decimal places.
Identify the Null and Alternative Hypotheses. (Select the correct symbols and use decimal values not
percentages.)
Ho: P
H₁: Select an answer
?~
?~
Based on the hypotheses, find the following correct to at least 3 decimal places:
Test Statistic: z =
p-value
=
Based on the above we choose to Select an answer
The correct summary would be: Select an answer
that the true proportion
of people in that city suffering from depression or a depressive illness is more than the percent in the
general adult American population of 8.4%.
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Transcribed Image Text:Question 9 < The National Institute of Mental Health published an article stating that in any one-year period, approximately 8.4% of American adults suffer from depression or a depressive illness. Suppose that in a survey of 2000 people in a certain city, 10.7% of them suffered from depression or a depressive illness. Conduct a hypothesis test to determine if the true proportion of people in that city suffering from depression or a depressive illness is more than the 8.4% in the general adult American population. Test the relevant hypotheses using a 1% level of significance. Give answer to at least 4 decimal places. Identify the Null and Alternative Hypotheses. (Select the correct symbols and use decimal values not percentages.) Ho: P H₁: Select an answer ?~ ?~ Based on the hypotheses, find the following correct to at least 3 decimal places: Test Statistic: z = p-value = Based on the above we choose to Select an answer The correct summary would be: Select an answer that the true proportion of people in that city suffering from depression or a depressive illness is more than the percent in the general adult American population of 8.4%. Question Help: Video Submit Question
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