Students in statistics classes were asked whether they preferred a 10-minute break or to allow them go out of class 10 minutes early. In a sample of 150 students, 40 preferred a 10-minute break, 80 preferred going out 10 minutes early, and 30 had no preference. We want to determine if there is a difference in students' preferences. To test the null hypothesis, the appropriate probability distribution to use is
A. normal.
B. chi-square.
C. t distribution.
D. binomial.
Answer: A
You might also like to view...
A company must include impairment disclosures in the year of an impairment write-down and the subsequent three years following to ensure comparability in reporting
Indicate whether the statement is true or false
All of the following are documents in batch process production systems except
a. production schedule b. route sheet c. materials requisition d. bill of manufacturing
The higher the cost slope of an activity the lower the cost to reduce its duration.
Answer the following statement true (T) or false (F)
Organizational behavior comprises all of the following areas EXCEPT ______.
A. behavior in groups and teams B. understanding individuals in organizations C. the role of leaders as motivators D. the role of technology in organizations