1.- What is the probability of extracting a sphere with a multiple of 7 from the urn? 2.- And to extract a number that is a pair less than 10? 3.- Explain why these two events are or are not mutually exclusive.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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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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In an urn there are 30 spheres numbered from 1 to 30. According to the following events, determine the probability that is requested:

Event A: Extract a multiple of 7

Event B: Extract a sphere with an even number less than 10.

Event C: Extract a sphere with a multiple of 3 greater than 15.

Event D: Extract a sphere with an even number equal to or greater than 9.

1.- What is the probability of extracting a sphere with a multiple of 7 from the urn?

2.- And to extract a number that is a pair less than 10?

3.- Explain why these two events are or are not mutually exclusive.

4.- What is the probability of extracting a sphere with a multiple number of 7 or one that is less than 10?

5.- What is the probability of extracting a sphere with an even number equal to or greater than 9 or a multiple of e less than 15?

6.- Events C and D, why are they mutually exclusive or not?

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