Consider the following competing hypotheses and accompanying sample data. a. Calculate the value of the test statistic.

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Consider the following competing hypotheses and accompanying sample data.

Но: Рi — Р2 3D О.20 На Ра — Ра # 0.20 X1 = 150 X2 = 130 = 250 Пу - %D %|

a. Calculate the value of the test statistic.

b. Find the p-value.

c. At the 5% significance level, what is the conclusion to the test? Can you conclude that the difference between the population proportions differs from 0.20?

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