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35 votes
35 votes
Bob is doing a quality test on machine bots , he tested 24 bolts that he randomly 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?

User Renato Parreira
by
2.8k points

1 Answer

11 votes
11 votes

Answer:

175

Explanation:

5/24 = 0.208 percentage of defective bolts

scale up to 840 bolts by finding 20.8% of defective bolts

840*20.8 = 175

User Jolan
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3.3k points