STATISTICS AND METHODOLOGY QUESTION NO 48

0. If the proportion of defective in bulk is 4%, find the probability of not more than 2 defectives in a sample of 10, it is known that e-4 = 6703

Answer
Comment
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Option : A
Explanation :
Probability of not more than 2 defectives
= 0.6703 + 0.26812 + 0.053624
= 0.992044 x 100
= 99.2%
Hence the answer is (a).

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