The national institute of mental health published an article

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Reference no: EM13773480

The National Institute of Mental Health published an article stating that in any one-year period, approximately 9.5 percent of American adults suffer from depression or a depressive illness. Suppose that in a survey of 100 people in a certain town, seven of them suffered from depression or a depressive illness. Conduct a hypothesis test to determine if the true proportion of people in that town suffering from depression or a depressive illness is lower than the percent in the general adult American population.

a. Is this a test of one mean or proportion?

__________________________

b. State the null and alternative hypotheses.

Ho: ____________________ Ha: ____________________

c. Is this a right-tailed, left-tailed, or two-tailed test?

___________________________

d. What symbol represents the random variable for this test?

___________________________

Reference no: EM13773480

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