are trying to determine whether the proportion of adult males who smoke is less than 20%. After taking a simple random sample of 500 males, the p-value of the test is .035. You are using a level of significance of .05. a. Should you reject the null hypothesis or not?

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You are trying to determine whether the proportion of adult males who
smoke is less than 20%. After taking a simple random sample of 500 males,
the p-value of the test is .035. You are using a level of significance of .05.

a. Should you reject the null hypothesis or not?


b. State your formal conclusion of the test

Expert Solution
Step 1


Hypothesis testing 

Hypothesis testing is conducted for the parameters of the population like population mean, population standard deviation and so on. It is to check whether the sample values conform to the prestated parameter values of the original distribution or not. The hypothesis for the single population mean is conducted using the z or t test. The selection of the test  depends upon the value of the standard deviation.

 

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