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, the

Question

3 years ago

12

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, the

n 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

Mathematics

1 answer:

Mila [183] · Answer 1 · 2022-09-12T10:38:08+03:00

Mila [183]3 years ago

7 0

Since Tina replaces the beads after each pick:

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