John is a small businessman who gets in over his head, incurring debts he cannot pay. In desperation, he turns to the local motorcycle gang to borrow some money to keep his business afloat. He hopes to solve his money problems at the local casino. At first he does well, winning regularly, and then he makes a huge bet and loses it all. He is left alone, despondent, drinking bad Scotch and staring at one of the dice that let him down. He decides to check whether the die is fair. He rolls it repeatedly; recording how many times each side comes up. The results are shown in Exhibit 12.18 below. Is the die fair? (Will Mary ever forgive him?) Use α = 0.025.
Answer to relevant QuestionsA travel agency collects data on the proportion of its customers who want to travel to popular destinations. Historically, the customer preferences have been as indicated in Exhibit 12.19. A random sample of 54 customers ...Re-do Exercise 14 above as a Chi-square test. Is the p-value the same for both tests? Did you expect it to be? In Exercise A company operates two large plants. In one plant, a random sample of 150 employees revealed that 23 ...A quality control inspector is checking to see whether the proportions of different kinds of nuts included in a mixed-nuts package meet specifications. She randomly selects one of the bags of nuts off the line, and counts ...A random sample of new members of a large downtown fitness club was selected, and tracked over six months. Of the 60 members who joined the club to participate in fitness classes, 38 were still working out regularly six ...Interpret the coefficient of determination for the data set from the Hendrick Software Sales Company. Given this number, can you conclude that the way to increase sales is to increase the number of sales contacts made by the ...
Post your question