After reading to a kidergarten class in library, Tobey gives the stickers out at random, Hes has 9 zoo animals stickers and 16 strach ans sinff stickers.what is the probability that the first child will get a starch and sinfo ticker and the second child get a zoo animal sticker?
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OpenStudy (anonymous):
Please help
OpenStudy (studygurl14):
Hello @Janelle01 ! Welcome to Openstudy!
OpenStudy (anonymous):
Thx
OpenStudy (igreen):
First, find the total amount of stickers.
OpenStudy (igreen):
9 + 16 = ?
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OpenStudy (anonymous):
25
OpenStudy (studygurl14):
Correct. @Janelle01
To find the probability of someone getting a scratch-n-sniff, you take the amount of scratch-n-sniff stickers and divide it by the total amount of stickers.
OpenStudy (anonymous):
16/25=64%
OpenStudy (studygurl14):
Correct. Nice job.
OpenStudy (studygurl14):
Now, the next part.
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OpenStudy (anonymous):
So what about the zoo animals stickers
OpenStudy (studygurl14):
Take the amount of zoo animal stickers and divide it by the total amount of stickers.
OpenStudy (anonymous):
9/25=36%
OpenStudy (studygurl14):
Correct.
Now we're finding the probability of both events occurring correct? That means we have to multiply those two probabilities together.
OpenStudy (anonymous):
Ok so .64×.34 right
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OpenStudy (studygurl14):
yep.
OpenStudy (anonymous):
.2304
OpenStudy (studygurl14):
Yes. Depending on what they want as your answer, you might have to convert to percentage form
OpenStudy (anonymous):
So 23 and 1/25
OpenStudy (studygurl14):
No, to get a percent, you multiply by 100 and add the % sign
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