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 younger13 or olderTotalSigned waiver10818Did not sign waiver201232Total302050

Let A and B are two events, then; P(A∪B)=P(A)+P(B)-P(A∩B)

Answered: 12 or younger 13 or older Total Signed…

Math

Advanced Math

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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Question

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

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