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.)

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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.)
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