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Independent random samples, each containing 90 observations, were selected from two populations. The samples from populations...

Independent random samples, each containing 90 observations, were selected from two populations. The samples from populations 1 and 2 produced 44 and 35 successes, respectively.
Test H0:(p1?p2)=0H0:(p1?p2)=0 against Ha:(p1?p2)>0Ha:(p1?p2)>0. Use ?=0.02?=0.02

(a) The test statistic is:

(b) The P-value is:

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Answer #1

Solution: The test statistic is given below:

Where:

rounded to two decimal places

rounded to two decimal places

rounded to two decimal places

  

  

Therefore the test statistic is

b) The p-value is given below:

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