The following distribution list displays the number of​ no-shows for a particular flight and the historical probability that each number of​ no-shows will occur. A​ no-show is a person who has a...



The following distribution list displays the number of​ no-shows for a particular flight and the historical probability that each number of​ no-shows will occur. A​ no-show is a person who has a reservation for a flight but fails to arrive prior to its departure. Complete parts a and b





































​No-Shows


Probability




0


0.23




1


0.31




2


0.26




3


0.13




4


0.07





a. Determine the mean number of​ no-shows for this flight.

μ=

​(Type an integer or a decimal. Do not​ round.)


b. Determine the standard deviation for the number of​ no-shows for this flight.

σ=

​(Type an integer or decimal rounded to two decimal places as​ needed.)


Jun 03, 2022
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