The average American gets a haircut every 39 days. Is the average different for college studer The data below shows the results of a survey of 12 college students asking them how many elapse between haircuts. Assume that the distribution of the population is normal. 51, 45, 45, 44, 33, 34, 48, 51, 50, 43, 39, 41 What can be concluded at the the a = 0.05 level of significance level of significance? a. For this study, we should use E-test for a population mean b. The null and alternative hypotheses would be: Ho: ? Select an answer v

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Set Theory

Every field in the present world involves a set. The theory of sets was developed by German mathematician Georg Cantor while working on the “problems of trigonometric series”.