Math Problem Statement
Round all answers to 4 decimal places.
a. A bag contains 8 𝑤ℎ𝑖𝑡𝑒 marbles, 10 𝑦𝑒𝑙𝑙𝑜𝑤 marbles, and 7 𝑏𝑙𝑢𝑒 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 𝑏𝑙𝑢𝑒 marble?
b. A bag contains 10 𝑟𝑒𝑑 marbles, 7 𝑏𝑙𝑢𝑒 marbles, and 8 𝑦𝑒𝑙𝑙𝑜𝑤 marbles. If two different marbles are drawn from the bag , what is the probability of drawing first a 𝑟𝑒𝑑 marble and then a 𝑦𝑒𝑙𝑙𝑜𝑤 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 after B) = P(A|B) * P(B)
Theorems
Multiplication Rule of Probability
Conditional Probability
Suitable Grade Level
Grades 9-12
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