Mathematics, 07.08.2019 05:30 karebareyo

5b let random variable x represent the number of heads minus the number of tails when a fair coin is tossed 9 times.
what is pr(x=0)?
what is pr(x=3)?
let random variable y represent the number of heads minus the number of tails when a fair coin is tossed 8 times.
what is pr(y=0)?
what is pr(y=3)?

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