Published by:
CGP EDU Academic Team
Published on: August 14, 2026
In an examination, there are 10 true-false type questions. Out of 10, a student can guess the answer of 4 questions correctly with probability 
and the remaining 6 questions correctly with probability 
. If the probability that the student guesses the answers of exactly 8 questions correctly out of 10 is 
, then k is equal to_____.
Text Solution
Verified by ExpertsThe correct answer is:
479
(479)
A = {1, 2, 3,4} : P(a) = 
Correct
B = {5,6,7,8,9,10};P(b)= 
correct
8 Correct Ans.:
Total 
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