A dice is thrown a fixed number of times. If probability of getting even number 3 times…
Mathematics · JEE Main · NTA Exams — Statistics and Probability
A dice is thrown a fixed number of times. If probability of getting even number 3 times is same as the probability of getting even number 4 times, then probability of getting even number exactly once is
- \(\frac{1}{4}\)
- \(\frac{3}{128}\)
- \(\frac{5}{64}\)
- \(\frac{7}{128}\)
Answer
(B) 3 128
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