help123please.
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help123please.
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@Mertsj

Mertsj
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how many cards in all?

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10

Mertsj
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How many red?

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4

Mertsj
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What's the probability you will draw a red card?

help123please.
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4/10?

Mertsj
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Reduce it.

help123please.
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ok 2/5

Mertsj
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So you draw the red card, replace it and draw another card. What is the probability the next card you draw will be red?

help123please.
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well, if you draw a red card thats 4/10, then if u replace it (put it back) the chances of getting a red card don't change

Mertsj
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So why don't you just say 2/5?

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so the answer would be D?

Mertsj
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Multiply those two probabilities.

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2 /5 x 2/5 = 4/25

Mertsj
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yep

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tnx, i get it now.

Mertsj
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yw

help123please.
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:)