Of 100 bolts 20 are defective, find the probability of choosing a good bolt.
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Answered by
1
Step-by-step explanation:
20/100
1/5
0.2
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Answered by
0
Answer:
total bolts = 100
number of bolts defective = 20
number of bolts effective = 100 - 20
= 80
probability of choosing an effective bolt = 80/100
= 4/5
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