An Airline Performed 4000 Preflight Inspections During One Month

question 55

Essay

An airline performed 4000 preflight inspections during one month. Each inspection checks 50 items. What is the maximum number of defects that could occur during a year if the process is operating at a six-sigma level?

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Definitions:

Positively Skewed

A distribution of data where most of the values gather on the left side, with the tail extending to the right, indicating that the mean is greater than the median.

Median

The middle value in a sorted list of numbers, which separates the higher half from the lower half.

Mode

The value that appears most frequently in a data set, representing the highest peak in a distribution.

Extreme Values

The lowest or highest points in a data set, which are significant for analyzing behavior in statistical models, particularly in risk management and survival analysis.