Question

Save Answer 2006 points The Advisory Council for a college of business wants to know if the true proportion of graduates who use statistical inference within the first year after graduation is greater than 0.5, so, the college plans to use this finding to propose that a new data science course be added to the list of courses offered in the college. A marketing research firm was hired to perform a study. After taking a sample of 750 recent graduates, the firm hired by the council found that 391 students indicated that they did use statistical inference within a year of graduation Perform a hypothesis test at the 0.05 level of significance by filling in the blanks below. Type the correct symbols, words, and numbers. Type<for less than,"for greater than", - for equal to", etc. as needed. 1). Hypotheses Hops Ht: p > 0.50 2). Test Statistic. Take all calculations to four (4) decimal places, enter your answer to two decimal places 2- 3). Rejection for Critical) Region All > 4). Conclusion in the context of the problem). Enter one of the terms in parentheses for each blank in this section, The Advisory Council will (roject/fail to reject the rus hypothesis. They who use statistical inference is greater than 0.5. can/cannot conclude that the true proportion of graduates

Answer 1

ne 750 x= 391 - h 391 750 = 0.5213 & tot pe 10.50 Py 10.50 2 8-8 0.5213-0.5 117 PLIP) り 0.50-0.5 750 3, All Z Y 1.645 ~ 1.65 le All 1.65 The Adrieory council cornel will fail to reject the nell hypertheses They leannot conclude that true proportion who use statistical Enference is of graduates greatee than 0.5