n=100 Invent an interesting and original positive integer n with n > 50. If three positive integers are selected at random from the set {1, 2, 3, . . . , n}, what is the probability that all three are less than or equal to 40? Explain how you get your answer.

n=100 Invent an interesting and original positive integer n with n > 50. If three positive integers are selected at random from the set {1, 2, 3, . . . , n}, what is the probability that all three are less than or equal to 40? Explain how you get your answer.

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

n=100

Invent an interesting and original positive integer n with
n > 50. If three positive integers are selected at random from the set
{1, 2, 3, . . . , n}, what is the probability that all three are less than or
equal to 40? Explain how you get your answer.

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