A-fair-coin-is-flipped-3-times-and-a-random-variable-X-is-defined-to-be-3-times-the-number-of-heads-minus-2-times-the-number-of-tails-Find-the-probability-mass-function-of-X-Write-it-in-table-form

Question Number 171386 by MathsFan last updated on 14/Jun/22

$$ \\ $$A fair coin is flipped 3 times and a random variable X is defined to be 3 times the number of heads minus 2 times the number of tails. Find the probability mass function of X. (Write it in table format).

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