There are 79 students in the Travel Club. They discovered that 30 members have visited country A, 35 have visited country B, 34 have been to country C, 9 have visited countries A and B, 16 have been only to country C, and 17 have been only to country A. Some club members have not been to any of the three foreign countries, and, curiously, an equal number have been to all three countries. (a) How many students have been to all three countries? (b) How many students have been only to country B?

There are 79 students in the Travel Club. They discovered that 30 members have visited country A, 35 have visited country B, 34 have been to country C, 9 have visited countries A and B, 16 have been only to country C, and 17 have been only to country A. Some club members have not been to any of the three foreign countries, and, curiously, an equal number have been to all three countries. (a) How many students have been to all three countries? (b) How many students have been only to country B?

Name: There are 79 students in the Travel Club. They discovered that30 membe
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Description: There are 79 students in the Travel Club. They discovered that30 members have visited country A, 35 have visited country B, 34 have been to country C, 9 have visited countries A and B, 16have been only to country C, and 17 have been only to coun

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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Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.

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There are 79 students in the Travel Club. They discovered that

30 members have visited country A, 35 have visited country B, 34 have been to country C, 9 have visited countries A and B, 16

have been only to country C, and 17 have been only to country A. Some club members have not been to any of the three foreign countries, and, curiously, an equal number have been to all three countries.

(a) How many students have been to all three countries?

(b) How many students have been only to country B?

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