We test if the majority of AUM students are females. We collected a sample with sample size 25 and having 20 females. Perform the test with a significance level a = 0.01. Use z0.01 = 2.33, zo.005 = 2.58 (a) State the null and alternative hypothesis and find the test statistic.

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1. We test if the majority of AUM students are females. We collected a sample with
sample size 25 and having 20 females. Perform the test with a significance level a =
0.01. Use zo.01 = 2.33, zo.005 = 2.58
(a) State the null and alternative hypothesis and find the test statistic.
(b) Find the critical value for the test and conclude.
(c) Find the p-value and conclude.
(d) Find a 99% confidence interval and conclude.
Transcribed Image Text:1. We test if the majority of AUM students are females. We collected a sample with sample size 25 and having 20 females. Perform the test with a significance level a = 0.01. Use zo.01 = 2.33, zo.005 = 2.58 (a) State the null and alternative hypothesis and find the test statistic. (b) Find the critical value for the test and conclude. (c) Find the p-value and conclude. (d) Find a 99% confidence interval and conclude.
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