A Manufacturing Process Produces Tubeless Mountain Bike Tires in Batches

question 13

Essay

A manufacturing process produces tubeless mountain bike tires in batches of 200.Past records show that 6% of the tires will not hold air.An engineer tests five batches,each one week apart,and shows the proportion of tires that will not hold air below.
Proportion of tires that will not hold air:

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Definitions:

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