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It is found that in manufacturing a certain article, defects of one type occur with probability 0.1 and defects of second type with probability 0.05. (Assume independence between types of defects). The probability that an article is defective is -----------
  • a)
    0.15
  • b)
    0.145
  • c)
    0.005
  • d)
    0.125
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
It is found that in manufacturing a certain article, defects of one t...
By addition theorem of probability,
Required Probability = (0.1) + (0.05)— (0.1) (0.05)
= 0.145
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It is found that in manufacturing a certain article, defects of one type occur with probability 0.1 and defects of second type with probability 0.05. (Assume independence between types of defects). The probability that an article is defective is -----------a)0.15b)0.145c)0.005d)0.125Correct answer is option 'B'. Can you explain this answer?
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