Consider the following Hypothesis test: Ho: p=.20 Ha: p≠.20 A sample of 400 provided a sample portion of 1.75. A). What is the value of the test statisitc?(2 decimal places) B). What is the P-value? (4 decimal places)  C). Using alpha = 0.05, is the null hypothesis rejected or not rejected?

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.