A bag has 20 red balls, 30 blue balls, and 50 green balls. A ball is drawn and put back into the bag. Another ball is drawn and put back into the bag. Another ball is drawn. What is the probability that the three balls are all of a different color? 0.18 0.06 0.12 0.03

A bag has 20 red balls, 30 blue balls, and 50 green balls. A ball is drawn and put back into the bag. Another ball is drawn and put back into the bag. Another ball is drawn. What is the probability that the three balls are all of a different color? 0.18 0.06 0.12 0.03

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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Question

A bag has 20 red balls, 30 blue balls, and 50 green balls. A ball is drawn and put back into the
bag. Another ball is drawn and put back into the bag. Another ball is drawn. What is the
probability that the three balls are all of a different color?
0.18
0.06
0.12
0.03

Expert Solution

Step 1

$g i v e n d a t a 20 r e d b a l l s 30 b l u e b a l l s 50 g r e e n b a l l s_______________100 t o t a l b a l l s . s e l e c t b a l l s w i t h r e p l a c e m e n t . P (a l l 3 o f d i f f e r e n t c o l o u r) = ?$

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