Question: Find the values for each: 1 . t a / 2 and n=23 for 95% confidence interval for the mean. 2 . z a /

Find the values for each:

1.ta/2 and n=23 for 95% confidence interval for the mean.

2.za/2 for 95% confidence interval.

Find the P-value using "how to find P-value

1.WithH1 (alternative hypothesis): p < 0.6, the test statistic is z= -3.

2.WithH1 (alternative hypothesis): p > 7/8 , the test statistic is z= 2.88.

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