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Problem

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13 Nov 2021

Given information

The proportion of America adults suffering from depression is given to be 9.5%. A survey of 100 people in a town reveals that 7 of them suffered from depression. A hypothesis test is conducted to determine of the actual proportion of American adults in the town suffering from depression is less than 9.5%.

Step-by-step explanation

Step 1.

Let  be the proportion of American adults suffering from depression. Therefore, the claim is that 9.5% of American adults in the town suffer from depression is represented as:

 

Since the claim contains the equal to sign it is the null hypothesis  

 

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