SOLUTION: A bag contains 10 beads -- 2 black, 3 white, and 5 red. A bead is selected at random. The probability of selecting three red beads without replacing them is ____. Please provide a
Algebra.Com
Question 1161760: A bag contains 10 beads -- 2 black, 3 white, and 5 red. A bead is selected at random. The probability of selecting three red beads without replacing them is ____. Please provide an explanation for the answer.
Multiple choice answers:
0.167
0.125
0.083
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
total
black, white, and red
The probability of selecting beads without replacemen:
to choose red bead :
After the first bead is drawn, there are black, white, andred beads in the bag, total
The probability of drawing a red bead is .
After the second bead is drawn, there are black, white, and red beads in the bag, total
The probability of drawing a red bead is .
then the probability of selecting three red beads is:
so, answer is
RELATED QUESTIONS
A bag contains 10 beads -- 2 black, 3 white, and 5 red. A bead is selected at random.... (answered by solver91311)
A bag contains 10 beads -- 2 black, 3 white, and 5 red. A bead is selected at random.... (answered by ikleyn)
A bag contains 10 beads -- 2 black, 3 white, and 5 red. A bead is selected at random.... (answered by ikleyn)
A bag contains 3 red beads and 5 yellow beads. One bead is removed at random then... (answered by stanbon)
. A bowl contains 33 red beads, 11 white beads, 9 blue beads, and 15 black beads. If... (answered by Boreal)
A. A class has 12 boys and 3 girls. If three students are selected at random from the... (answered by Fombitz)
4. A basket contains 3 red,4 white and 7 yellow beads. Three beads are taken at random... (answered by stanbon)
A Bag contains 6 yellow beads and a number of green beads. When a bead is selected at... (answered by josmiceli)
A bag contains 7 white 5 black and 4 red balls. If 2 balls are drawn at random.
What is (answered by Fombitz)