4. If 3 books are picked at random from a shelf containing 5 novels, 3 books of poems, and a dictionary, what is the probability that: (a) the dictionary is selected? (b) 2 novels and 1 book of poems are selected?
4. If 3 books are picked at random from a shelf containing 5 novels, 3 books of poems, and a dictionary, what is the probability that: (a) the dictionary is selected? (b) 2 novels and 1 book of poems are selected?
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:4. If 3 books are picked at random from a shelf containing 5 novels, 3 books of poems, and a dictionary, what is the
probability that:
(a) the dictionary is selected?
(b) 2 novels and 1 book of poems are selected?
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