solve the multiple choices, giving an explanation for the material of Production and Operations Management:

1) The average proportion of defective bars has been 0.015 samples will be of 100 bars each. construct a p-chart using z=3. what is the value of UCL?

A) less than or equal to 0.050

B) greater than 0.050 but less than or equal to 0.060

C) greater than 0.070

D) greater than 0.060 but less than or equal to 0.070

2) The average time to service a customer complaint has been 5 days and the standard deviation has been 0.70 day. management would like to specify the control limits for an chart with a sample size of 20 and 3 sigma limits. the UCL for the chart would be:

A) greater than 5.50

B) greater than 5.30 but less than or equal to 4.40

C) less than or equal to 5.40

D) greater than 5.40 but less than or equal to 4.50

3) Which of the following is NOT a popular form of structured question?

A) Dichotomous

B) Scales

C) Multiple-choice

D) Open-ended