Let a die be rolled n times. Let the probability of getting odd n… | JEE Main 2023 Mathematics PYQ

MCQMediumJEE Main 2023 · 10 April, Shift 2Probability Distributions

Let a die be rolled $n$ times. Let the probability of getting odd numbers seven times be equal to the probability of getting odd numbers nine times. If the probability of getting even numbers twice is $\frac{k}{2^{15}}$ , then $k$ is equal to:

A
$60$
B
$30$
C
$90$
D
$15$

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