1. What is the p-value for a right tail test for a single proportion with a test

Question

1. What is the p-value for a right tail test for a single proportion with a test statistic of -2.25?
2.What is the p-value for a left tail test for a single proportion with a test statistic of 1.75?
Thanks a lot
1. What is the p-value for a right tail test for a single proportion with a test statistic of -2.25?
2.What is the p-value for a left tail test for a single proportion with a test statistic of 1.75?
Thanks a lot

2.What is the p-value for a left tail test for a single proportion with a test statistic of 1.75?
Thanks a lot

Explanation / Answer

1. The p-value for a right tail test for a single proportion with a test statistic of -2.25 = 0.9878

IN Excel, P-value of right tail can be obtained by

=1-NORM.S.DIST(-2.25,TRUE)

2. The p-value for a left tail test for a single proportion with a test statistic of 1.75 is 0.9599

In excel, p-value of left tail can be obtained by

=NORM.S.DIST(1.75,TRUE)

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