(Answered) A sample of size 200 from population 1 has 50 successes a

Statistics

A sample of size 200 from Population 1 has 50 successes. A sample of size 200 from population 2 has 40 successes. What is the computed z-value for testing the null hypothesis that the proportion of successes in Population 1 exceeds the proportion of successes in Population 2 by 0.025?

a.	0.60
b.	1.20
c.	1.28
d.	1.96

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