An editor has a stack of k documents to review. The order in which the doc- aments are reviewed is random with each ordering being equally likely. Of the * documents to review, two are named "Relaxation Through Mathematics" and The Joy of Calculus." Give an expression for each of the probabilities below as a function of k. Simplify your final expression as much as possible so that your answer does not include any expressions in the form (a) What is the probability that "Relaxation Through Mathematics" is first to review? (b) What is the probability that "Relaxation Through Mathematics" and "The Joy of Calculus" are next to each other in the stack?

Advanced Engineering Mathematics
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ISBN:9780470458365
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An editor has a stack of k documents to review. The order in which the doc-
uments are reviewed is random with each ordering being equally likely. Of the
k documents to review, two are named "Relaxation Through Mathematics" and
"The Joy of Calculus." Give an expression for each of the probabilities below as
a function of k. Simplify your final expression as much as possible so that your
answer does not include any expressions in the form
(a) What is the probability that "Relaxation Through Mathematics" is first to
review?
(b) What is the probability that "Relaxation Through Mathematics" and "The
Joy of Calculus" are next to each other in the stack?
(+
Page 8 of 8
108%.
日
LT
en US .
Ready Automatic
UTF-8
Transcribed Image Text:part label tiny 8 of 8 An editor has a stack of k documents to review. The order in which the doc- uments are reviewed is random with each ordering being equally likely. Of the k documents to review, two are named "Relaxation Through Mathematics" and "The Joy of Calculus." Give an expression for each of the probabilities below as a function of k. Simplify your final expression as much as possible so that your answer does not include any expressions in the form (a) What is the probability that "Relaxation Through Mathematics" is first to review? (b) What is the probability that "Relaxation Through Mathematics" and "The Joy of Calculus" are next to each other in the stack? (+ Page 8 of 8 108%. 日 LT en US . Ready Automatic UTF-8
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