a) Recent research suggests that the global monthly average number of airplane crashes of commercial airliners is

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a) Recent research suggests that the global monthly average number of airplane crashes of commercial airliners is 3.5.

i) State the random variable and its probability distribution function, with suitable parameters.

What is the probability that there will be: ii) at least 2 such accidents in the next month?

iii) at most 1 accident in the next month?

b) A certain state in the United States of America reported that approximately 80,000 marriages occurred in the last year. Find the approximate probability that, for at least one of the couples, both partners were born on December 25.

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Business Forecasting

ISBN: 978-0132301206

9th edition

Authors: John E. Hanke, Dean Wichern

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Posted Date: Jan 19, 2021 07:32 PM

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a) Recent research suggests that the global monthly average number of airplane crashes of commercial airliners is

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