You draw a card from a deck. if you get a red card, you win nothing. if you get a spade, you win $5. for any club, you win $10 plus an extra $15 for the ace of clubs. find the standard deviation of the amount you might win drawing a card.

a) The probability is the number of favorable outcomes divided by the number of possible outcomes. There are 52 cards in a deck.

Step-by-step explanation

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i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

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step-by-step explanation: