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pard and named some pc red 30 rays in all and the

pard and named some pc red 30 rays in all and the

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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11-14. A teacher drew a number line on the board and named some points on it. The teacher asked the class to list all the rays in the figure. A student answered 30 rays in all and the teacher said it was correct. How many points were named in the figure?
Transcribed Image Text:11-14. A teacher drew a number line on the board and named some points on it. The teacher asked the class to list all the rays in the figure. A student answered 30 rays in all and the teacher said it was correct. How many points were named in the figure?
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