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Applied Mathematics · 2024 · 1 mark
CBSE 2024 · Central · Set 4 · Q8
A fair coin is tossed twice and outcomes are noted. If the random variable X represents the number of heads that appeared in the experiment, then the…
A fair coin is tossed twice and outcomes are noted. If the random variable X represents the number of heads that appeared in the experiment, then the mathematical expectation of X is :
Official answer
(A)
$\displaystyle 1$
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CBSE Class 12 Applied Mathematics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.