3 years ago

luisa has 12 playing cards.she place 2 out of every 3 cards face up how many cards are face up and how many are face down

Mathematics

1 answer:

Natasha2012 [34]3 years ago

4 0

If 2/3 of the cards are face-up, then 2/3*12=8 cards are face-up. The remaining 12-8=4 cards are therefore face down.

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Answer:

The probability is 0.057797

Step-by-step explanation:

Consider the provided information.

It is given that true percentage of voters who vote for the proposition is 63%,

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$P(x;p,n)=^nC_x(p)^x(1-p)^{(n-x)}$

Substitute n=7, p=0.63 and x=2 in the above formula.

$P(x;p,n)=^7C_2(0.63)^2(1-0.63)^{(7-2)}$

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Galina-37 [17]

Answer:

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Do addition first, so 30 plus 2, and then subtract, 32 minus 25. It is seven.

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Please help with Math :) Thanks!

algol [13]

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What is the image of (-1,0) after a reflection over the line y = -x?

umka2103 [35]

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gladu [14]

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3 years ago