Albertson Manufacturing plots 20 samples per day. 7 days a week; on a control chart that is currently in control. Approximately how many observations do you expect will fall into Zone B each week? 38 11 57 13 27 What is the probability of plotting 3 samples in a row in Zone A? 0.1422 0.002247 0.0001065 0.01580 0.2992