In a recent survey people were asked if they took a vacation in the summer,winter, or spring in the past year. Theresults were 73 took a vacation in the summer, 51 took a vacation in the winter, 27 took a vacation in the spring, and2 had taken no vacation. Also, 10 had taken vacations at all three times, 33 had taken both a summer and a wintervacation, 18 had taken only a winter vacation, and 5 had taken both a summer and spring butnot a winter vacation.a. How many people had been surveyed?b. How many people had taken vacations at exactly two times of the year?c. How many people had taken vacations during at most one time of the year?d. What percentage had taken vacations during both summer and winter but not spring?

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Answered: In a recent survey people were asked if…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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