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oksano4ka [1.4K]

3 years ago

7

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

1 answer:

KatRina [158]3 years ago

8 0

C. 175
Explanation: 840/24 = 35 x 5 = 175

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