1 15). A quality analyst wants to construct a control chart for determining whether three machines, all producing the same product, are in control with regard to a particular quality variable. Accordingly, he sampled four units of output from each machine, with the following results: Machine #1 #2 #3 17 16 23 Measurements 15 15 25 18 24 23 17 25 22 What are the x-bar chart's LCL and UCL? O A 18 and 22 O B. 16.71 and 23.29 O C. 23.5 and 16.5 O D. 16.84 and 23.16 O E.23.16 and 16.84 12 14) The probability of concluding that assignable variation exists when only random variation is present is: (1) the probability of a Type I error. (II) known as the manufacturer's risk. (11) the probability of a Type Il error. (IV) known as the consumer's risk. O AI and II O B. I and IV O C. Il and I O D. I, II and IV O E. I, III, and IV 13) Refer to this product tree: A(2 B(3 que M(3 N(4 C(4 D(5 If 17 Ps are needed, and no on-hand inventory exists for any items, how many Ds will be needed? O A 17 O B. 51 OC. 204 O D. 255 O E 272 16) The chair of the operations management department at Quality University wants to construct a p-chart for determining whether the four faculty teaching the basic POM course are in control with regard to the number of students who fail the course. Accordingly, he sampled 50 final grades from last year for each instructor, with the following results: Instructor Prof. A Prof. B Prof. C Prof. D Number of Failures 13 0 11 16 What is the sample proportion of failures (p) for Prof. D? O A. 0.11 OB. 0.16 O C. 0.20 O D. 0.32 F 16 N NAVER O Welcome To "Hi.... - 0 IN .... y Papago FN 0 12 30 . 1 12) Using the MRP information from the Question 11 above, how much does the company need to order? OAO O B. 100 O C.150 O D. 200 E. No need to release any order