A bag contains 50 marbles, 28 red ones and 22 blue ones. A marble is picked at random from the bag. What is the probability of picking a blue marble after a red marble had been picked first.
A bag contains 50 marbles, 28 red ones and 22 blue ones. A marble is picked at random from the bag. What is the probability of picking a blue marble after a red marble had been picked first.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:A bag contains 50 marbles, 28 red ones and
22 blue ones. A marble is picked at random
from the bag. What is the probability of
picking a blue marble after a red marble had
been picked first.
Answer:
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