A fund raiser for United Way wants to know the average annual income of workers in a very large vegetable processing plant.She is able to obtain a sample of 30 annual wage levels (in thousands).She finds that the summation of the wages for the 30 is 370.7 and the standard deviation of 3.3.What estimate may be used for $\mu$ ?

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The Answer of A fund raiser for United Way wants to know the average annual income of workers in a very large vegetable processing plant.She is able to obtain a sample of 30 annual wage levels (in thousands).She finds that the summation of the wages for the 30 is 370.7 and the standard deviation of 3.3.What estimate may be used for $\mu$ ?

A Fund Raiser for United Way Wants to Know the Average