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lianna [129]
3 years ago
5

In a bag, there are 5 cards numbered 1 to 5. Each time a card is randomly selected, it I'd replaced in the bag. What is the prob

ability Marsha will select an even-numbered card first and then an odd-numbered card?
Mathematics
2 answers:
pav-90 [236]3 years ago
6 0
There is a 2 out of 5 chance of pulling an even\frac{2}{5}
there is a 3 out of 5 chance of pulling an odd the second time\frac{3}{5}

\frac{2}{5}*\frac{3}{5}=\frac{6}{25}

there is a 6 out of 25 chance of it happening in that order
sweet [91]3 years ago
3 0

Out of 5 cards in the bag ...

-- There are 2 even numbers . . . 2 and 4 .

-- There are 3 odd numbers . . . 1, 3, and 5 .

So EITHER time, the probability of pulling an even number is  2/5 ,
and the probability of pulling an odd number is  3/5 .

The probability of pulling an even number the first time
AND an odd number the second time is

       (2/5) x (3/5)  =  6/25  =  <em>24%</em> .

 
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2 years ago
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