Here p1 is the population proportion of “happy†of Population1 and p2 is the population proportion of “happy†of Population 2.Use the statistics data from a simple random sample of each of thetwo populations to complete the following:​​​​​​
Population 1
Population 2
Sample Size (n)
1000
1000
Number of “yesâ€
600
280
a. Compute the test statistic z.
b. What is the p-value?
c. Should H0 be rejected? Use the critical value approach anda level of significance of 0.05 to justify your answer.
d. Use the above data to construct a 95% confidence intervalfor p1 - p2
Answer in the word only pls
Answer & Explanation
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For the given HypothesesH0 p1
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