The following distribution list displays the number of no shows for a particular Delta Airlines flight and

Question:

The following distribution list displays the number of no shows for a particular Delta Airlines 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.

No Shows Probability

0 ………………… 0.23

1 ………………… 0.32

2 ………………… 0.22

3 ………………… 0.15

4 ………………… 0.08

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

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

Distribution
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