Is there a particular test I can use on my TI84 for this? Such as 2 Sample Z Tes

Question

Is there a particular test I can use on my TI84 for this? Such as 2 Sample Z Test etc

You wish to test the follong claim (Ha) at a significance level ofa0.02 :Pp use the normal distribution as an What is thec z-score of the critical value? (Rcport answer accurate to three decimal places.) : 2 ou obtain 139 successes n a sample of s ze nl 367 rom the first populaton You obtam 256 successes n a sample of size 550 om the 3000 d population For this test, you should NOT use the continu correction and vou sbould approximation for the banomial distribution What is the standardized test statistic for this sample? (Report answer accurate to three decimal places) The test statistic is in the critical region not in the critiral region This teet statistic leads to a decision to reject the nu o accept the null fail to reject the nmull

Explanation / Answer

Z-score = -2.5979

Standardized test stastic

Standardized z-score is  2.6521

Test stastic is not in the critical region.

Te correct decision is to fail to reject the null.

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