Topic: Language of Sets Question: In a survey of 150 individuals, 10 of them said that they use laptop only, no one uses cellphone only and 19 respondents use iPod only, there were 62 users of laptop and cellphone, 58 users of laptop and iPod, 98 users of cellphone and iPod and 50 users of all these three gadgets. a. How many of them use laptop and cellphone but not iPod?
Topic: Language of Sets Question: In a survey of 150 individuals, 10 of them said that they use laptop only, no one uses cellphone only and 19 respondents use iPod only, there were 62 users of laptop and cellphone, 58 users of laptop and iPod, 98 users of cellphone and iPod and 50 users of all these three gadgets. a. How many of them use laptop and cellphone but not iPod?
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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Topic: Language of Sets
Question:
In a survey of 150 individuals, 10 of them said that they use laptop only, no one uses cellphone only and 19 respondents use iPod only, there were 62 users of laptop and cellphone, 58 users of laptop and iPod, 98 users of cellphone and iPod and 50 users of all these three gadgets.
a. How many of them use laptop and cellphone but not iPod?
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