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?

Question

anonymous · Answer

1 over 4096
 1 over 512
 1 over 64
 1 over 8

oregonduck · Answer

the answer is d 1 over 8

anonymous · Answer

could u please explain?

mathstudent55 · Answer

Each pick has a probability of 1/8 to end up a specific color.

oregonduck · Answer

yup what he said he read my mind

mathstudent55 · Answer

The probability of each pick being a specific color is 1/8.

anonymous · Answer

@oregonduck just went to a different question that had the answer. he didnt know

mathstudent55 · Answer

The probability of three pick in a rwo being a specific color is
1/8 * 1/8 * 1/8

mathstudent55 · Answer

Answer is not d

anonymous · Answer

oh ok so i have to multiply?

mathstudent55 · Answer

Yes.

oregonduck · Answer

C IS THE ANSWER THAN HAPPY:)

mathstudent55 · Answer

The probability of three independent events happening in a row is the product of their individual probabilities.

mathstudent55 · Answer

Answer is not c either.

anonymous · Answer

sry i had to step away @mathstudent55

anonymous · Answer

@welshfella please help

welshfella · Answer

its 1 divided by 8*8*8

8* 8 = 64
8*64 =  ?