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3. There are 7 green, 4 blue and 9 red marbles in a box. A marble is drawn at random and after recording its color, the marble is returned in the box. Another marble is then drawn. What is the probability that both marbles are red? 4. Suppose a football player has a 65% chance of making a goal that he can keep each time ho tries to make rool What is th hobility that ho I the first three times

3. There are 7 green, 4 blue and 9 red marbles in a box. A marble is drawn at random and after recording its color, the marble is returned in the box. Another marble is then drawn. What is the probability that both marbles are red? 4. Suppose a football player has a 65% chance of making a goal that he can keep each time ho tries to make rool What is th hobility that ho I the first three times

A First Course in Probability (10th Edition)
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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3. There are 7 green, 4 blue and 9 red marbles in a box. A marble is drawn at random and after recording its color, the marble is returned in the box. Another marble is then drawn. What is the probability that both marbles are red? 4. Suppose a football player has a 65% chance of making a goal that he can keep each time he tries to make a goal. What is the probability that he makes a goal the first three times he tries to but not on the fourth try? I
Transcribed Image Text:3. There are 7 green, 4 blue and 9 red marbles in a box. A marble is drawn at random and after recording its color, the marble is returned in the box. Another marble is then drawn. What is the probability that both marbles are red? 4. Suppose a football player has a 65% chance of making a goal that he can keep each time he tries to make a goal. What is the probability that he makes a goal the first three times he tries to but not on the fourth try? I
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