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A box have 5 beads of the same size, but all are different colors. Tina draws a bead randomly from the box, notes its color, then puts the bead back in the box. she repeats this 3 times. What is the probability that Tina would pick a red bead on the first draw, then a green bead, and finally a red bead again? A. 1/625 B. 1/180 C. 1/150 D. 1/125

User Xandman
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2 Answers

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Answer:

1/125

Explanation:

User ZuzEL
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Since Tina replaces the beads after each pick:

P(R,G,R)=(1/5)(1/5)(1/5)=1/125
User Sisus
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