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The ASA softball association is interested in knowing the average pitching speed of a 12U fast-pitch softball pitcher. A random sample of forty pitches is

The ASA softball association is interested in knowing the average pitching speed of a 12U fast-pitch softball pitcher. A random sample of forty pitches is recorded. The average speed of the pitch is found to be forty-one mph with standard deviation two mph. Estimate the average speed of all 12U softball pitchers.

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