12 or younger 13 or older Total Signed waiver 10 8 18 Did not sign waiver 20 12 32 Total 30 20 50

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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  1. Campers at the summer camp are allowed to go out on the lake in a boat as long as they are either 13 years old or older, or their parents signed an insurance waiver. The table below has some relevant information about the campers (50 of them in all):
12 or younger
13 or older
Total
Signed waiver
10
8
18
Did not sign waiver
20
12
32
Total
30
20
50
Transcribed Image Text:12 or younger 13 or older Total Signed waiver 10 8 18 Did not sign waiver 20 12 32 Total 30 20 50
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