what is the probability that a couple, chosen at random, together, earn between 2,000,000 and 3,500,000 (included)?

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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In a certain company, the salary of men can take the values ​​of 1,000,000, 1,500,000, 2,000,000 and 2,500,000. Women can enjoy the following salaries: 500,000, 1,000,000, 1,500,000 and 2,000,000.

Assuming that the percentage of men earning each of the values ​​is the same, and the same relative to women, and that men's wages are independent of women's wages, what is the probability that a couple, chosen at random, together, earn between 2,000,000 and 3,500,000 (included)?

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