A student appeared in an examination... | Probability | JEE Main

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JEE MAIN 2021 S2

27-07-2021 S2

Question

A student appeared in an examination consisting of 8 true-false type questions. The student guesses the answers with equal probability. The smallest value of n , so that the probability of guessing at least ' n ' correct answers is less than $\frac{1}{2}$, is :

Select the correct option:

A

5

B

6

C

3

D

4

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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JEE Main

Mathematics

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