anonymous
  • anonymous
A box has 8 beads of the same size, but all are different colors. Tamy draws a bead randomly from the box, notes its color, and then puts the bead back in the box. She repeats this 3 times. What is the probability that Tamy would pick a red bead on the first draw, then a white bead, and finally a red bead again? 1 over 4096 1 over 512 1 over 64 1 over 8
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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misty1212
  • misty1212
she puts them back each time right?
anonymous
  • anonymous
yes
misty1212
  • misty1212
and the beads are all different colors, so 8 different colors the probability of any one color is therefore \(\frac{1}{8}\)

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misty1212
  • misty1212
that is not the final answer though
anonymous
  • anonymous
oh ok
misty1212
  • misty1212
do it 3 times in a row, the probability of red, white, red is\[\frac{1}{8}\times \frac{1}{8}\times \frac{1}{8}\]
misty1212
  • misty1212
use a calculator to compute \[8^3\] then put it in the denominator
anonymous
  • anonymous
ok...i got 512 when i multiplied that so now what? @misty1212
anonymous
  • anonymous
oh so is my answer 1/512 @misty1212
misty1212
  • misty1212
yes dear that is right
anonymous
  • anonymous
thank you! ^_^

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