anonymous
  • anonymous
A bag has 2 yellow, 7 red, and 1 green marble. What is the probability of picking a red marble, replacing it, and then picking another red marble? Answers: 1/25 49/100 7/100 1/50
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
@Zarkon
Zarkon
  • Zarkon
you can do this...very similar to the other one you did
anonymous
  • anonymous
i got 7/100

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More answers

Zarkon
  • Zarkon
no
Zarkon
  • Zarkon
what is the prob of red on the first draw
anonymous
  • anonymous
7/10
Zarkon
  • Zarkon
ok....what is the prob you get a red on the 2nd draw
anonymous
  • anonymous
7/9
anonymous
  • anonymous
?
Zarkon
  • Zarkon
remember you replaced the marble
anonymous
  • anonymous
7/11
Zarkon
  • Zarkon
you don't have 11 marbles
anonymous
  • anonymous
So 8/10?
Zarkon
  • Zarkon
you don't have 8 red
anonymous
  • anonymous
I don't know
Zarkon
  • Zarkon
7/10...the same as the first draw
Zarkon
  • Zarkon
because you replaced the marble
anonymous
  • anonymous
ohhhh I see so its 49/100
Zarkon
  • Zarkon
there are independent trials
Zarkon
  • Zarkon
correct
anonymous
  • anonymous
sweet! your awesome

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