Pip is the proud owner of an eclectic bow tie collection. He keeps track of how many bow ties he has, and organises them by pattern and material. The probability that a bow tie is designed with zigzags is 0.5, the probability that it is made of silk is 0.8 and the probability that it is designed with zigzags and is made of silk is 0.3. What is the probability that a randomly chosen bow tie is designed with zigzags or is made of silk?
Pip is the proud owner of an eclectic bow tie collection. He keeps track of how many bow ties he has, and organises them by pattern and material. The probability that a bow tie is designed with zigzags is 0.5, the probability that it is made of silk is 0.8 and the probability that it is designed with zigzags and is made of silk is 0.3. What is the probability that a randomly chosen bow tie is designed with zigzags or is made of silk?
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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