A walk-in medical clinic believes that arrivals are uniformly distributed over weekdays (Monday through Friday). It has collected the following data based on a random sample of 100 days. Frequency Mon Tue Wed Thu Fri Total 25 22 19 18 16 100 Based on these data, conduct a goodness-of-fit test using a 0.10 level of significance. Which conclusion is correct? A) Arrivals are not uniformly distributed over the weekday because (test statistic) > (critical value). B) Arrivals are not uniformly distributed over the weekday because (test statistic) < (critical value). C) Arrivals are uniformly distributed over the weekday because (test statistic) > (critical value). D) Arrives are uniformly distributed over the weekday because (test statistic) < (critical value).

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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.