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In a box containing 100 bulbs, 10 are defective. The probability that out of a sample of 5 bulbs, none is defective is

CUET UG 2025 — Mathematics Algebra

2025mcqmedium

In a box containing 100 bulbs, 10 are defective. The probability that out of a sample of 5 bulbs, none is defective is

Official previous-year question

Held on 13 May 2025 · Verified 13 Jul 2026.

Options

  1. A

    110\frac{1}{10}101​

  2. B

    (910)5\left(\frac{9}{10}\right)^5(109​)5

  3. C

    (12)5\left(\frac{1}{2}\right)^5(21​)5

  4. D

    910\frac{9}{10}109​

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