Math Problem Statement
Round all answers to 4 decimal places.
a. A bag contains 6 white marbles, 5 black marbles, and 4 yellow marbles. If a marble is drawn from the bag, replaced, and another marble is drawn, what is the probability of drawing first a white marble and then a yellow marble?
b. A bag contains 5 blue marbles, 4 yellow marbles, and 6 black marbles. If two different marbles are drawn from the bag , what is the probability of drawing first a blue marble and then a black marble?
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Independent Events
Dependent Events
Formulas
P(A and B) = P(A) * P(B)
P(A and B) for dependent events = P(A) * P(B | A)
Theorems
Multiplication Rule of Probability
Conditional Probability for Dependent Events
Suitable Grade Level
Grades 9-10
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