Question 7. Suppose box-1 contains a white balls and b black balls, and box-2 contains c white balls and d black balls. One ball of unknown color is transferred from first box into the second one and then a ball is draws from the latter. What is the probability that it will be a white ball?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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Question 7. Suppose box-1 contains a white balls and b black balls, and box-2 contains c white balls and
d black balls. One ball of unknown color is transferred from first box into the second one and then a ball
is draws from the latter. What is the probability that it will be a white ball?
Transcribed Image Text:Question 7. Suppose box-1 contains a white balls and b black balls, and box-2 contains c white balls and d black balls. One ball of unknown color is transferred from first box into the second one and then a ball is draws from the latter. What is the probability that it will be a white ball?
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