Mathematics, 09.12.2019 19:31 Saise9288
You pick a card at random from an ordinary deck of 52 cards. if the card is an ace, you get 9 points; if not, you lose 1 point.

write the equation for the expected value.
e(v) = 452 (a) + b52 (c)
a = b = c =
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You pick a card at random from an ordinary deck of 52 cards. if the card is an ace, you get 9 points...
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