Big State University operates a large cafeteria located in the heart of campus.
ID: 3364405 • Letter: B
Question
Big State University operates a large cafeteria located in the heart of campus. The university's financial administration has initiated a study into the daily revenue generated by the cafeteria. It is widely accepted that the standard deviation of daily revenue is $3,000. The cafeteria's accountant has speculated that the average daily revenue is $70,000. As an analyst hired by Big State University, you have formulated the following hypothesis test: Ho: = $ 70,000 Hy * $ 70,000 You intend to use a level of significance of 0.2. Identify the critical region for this test. O (1.28,o) 1.64)ua.64,+ ) O (-oo, - 1.28)Explanation / Answer
Since the alternative hypothesis has not equal sign, this is a two tailed test.
For 0.2 significance level, critical z value = +/-1.28
Answer: Option A. (-Inf, - 1.28)U(1.28, + Inf)
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.