bob is doing a quality test on machine bolts. he tested 24 bolts that he randomly picked and found that were defective
based on bob's results, what is the expected number of bolts that will be defective if he tests 840 bolts?
10 a 139
o b. 145
o . 175
od. 211

The mountain springs water company has two departments, purifying and bottling. the bottling department received 67,000 liters from the purifying department. during the period, the bottling department completed 65,000 liters, including 3,000 liters of work in process at the beginning of the period. the ending work in process was 5,000 liters. how many liters were started and completed during the period?