A card is drawn from a deck of 52 cards, what is the probability that it is a number 2?

2 answers:

Rudiy273 years ago

5 0

The answer in fraction form is exactly 1/13
The approximate answer in decimal form is 0.076923

To get this answer, note how there are four cards that have "2" on them. This is out of 52 total. So we divide the values: 4/52 = 1/13. Don't forget to fully reduce as much as possible.

To go from 1/13 to 0.076923, you would use a calculator or long division

Daniel [21]3 years ago

4 0

I think the probability is 1/13 when the number is 2 from a deck of 52 cards.

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Read 2 more answers

How do I do this qn?

denis-greek [22]

You can take the log of the left and right hand side, and then apply the <span>logarithm rules:

log(a</span>ˣ) = x·log(a)
log(ab) = log(a) + log(b)

log(9^(x-1) * 2^(2x+2)) = log(6^(3x))
log(9^(x-1)) + log(2^(2x+2)) = 3x log(6)
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x(log9 + 2log2 - 3log6) = log9 - 2log2
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simplifying by writing log9 = 2log3 and log6 = log2+log3

x= 2(log3 - log2) / (2log3 + 2log2 - 3log2 - 3log3) =
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So 6^x = 4/9

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3 years ago