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Tamil Nadu Board of Secondary EducationHSC Science Class 12

Choose the correct alternative: On a multiple-choice exam with 3 possible destructives for each of the 5 questions, the probability that a student will get 4 or more correct answers just by guessing

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Question

Choose the correct alternative:

On a multiple-choice exam with 3 possible destructive for each of the 5 questions, the probability that a student will get 4 or more correct answers just by guessing is

Options

  • `11/243`

  • `3/8`

  • `1/243`

  • `5/243`

MCQ
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Solution

`11/243`

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Mathematical Expectation
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Chapter 11: Probability Distributions - Exercise 11.6 [Page 220]

APPEARS IN

Samacheer Kalvi Mathematics - Volume 1 and 2 [English] Class 12 TN Board
Chapter 11 Probability Distributions
Exercise 11.6 | Q 10 | Page 220

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