Mathematics, 16.10.2019 23:00 emily9656

Bob is doing a quality test on machine bolts. he tested 24 bolts that he randomly picked and found that 5 were defective.

based on bob's results, what is the expected number of bolts that will be defective if he tests 840 bolts?

a. 139
b. 145
c. 175
d. 211

Answers: 1

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Bob is doing a quality test on machine bolts. he tested 24 bolts that he randomly picked and found t...