anonymous
  • anonymous
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?
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
1 over 4096 1 over 512 1 over 64 1 over 8
OregonDuck
  • OregonDuck
the answer is d 1 over 8
anonymous
  • anonymous
could u please explain?

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More answers

mathstudent55
  • mathstudent55
Each pick has a probability of 1/8 to end up a specific color.
OregonDuck
  • OregonDuck
yup what he said he read my mind
mathstudent55
  • mathstudent55
The probability of each pick being a specific color is 1/8.
anonymous
  • anonymous
@oregonduck just went to a different question that had the answer. he didnt know
mathstudent55
  • mathstudent55
The probability of three pick in a rwo being a specific color is 1/8 * 1/8 * 1/8
mathstudent55
  • mathstudent55
Answer is not d
anonymous
  • anonymous
oh ok so i have to multiply?
mathstudent55
  • mathstudent55
Yes.
OregonDuck
  • OregonDuck
C IS THE ANSWER THAN HAPPY:)
mathstudent55
  • mathstudent55
The probability of three independent events happening in a row is the product of their individual probabilities.
mathstudent55
  • mathstudent55
Answer is not c either.
anonymous
  • anonymous
sry i had to step away @mathstudent55
anonymous
  • anonymous
@welshfella please help
welshfella
  • welshfella
its 1 divided by 8*8*8 8* 8 = 64 8*64 = ?

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