Probability that one bulb is non-defective =10090=109. Treating selections as independent (binomial model), probability all 5 are non-defective =(109)5.
CUET UG 2023 — Mathematics Algebra
In a box containing 100 bulbs, 10 are defective. Then the probability, that out of a sample of 5 bulbs none is defective, is:
Held on 25 May 2023 · Verified 13 Jul 2026.
10−1
(21)5
(109)5
(109)
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