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3. [8 in total, 4 for a and 4 for b] For each part, name the parameter and the statistic, and provide the numerical

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3. [8 in total, 4 for a and 4 for b] For each part, name the parameter and the statistic, and provide the numerical value of each. (a) A market research company is having a database that consists of all phone numbers in a certain city. One of the workers conducts market research by phone using his supervisor's list of a sample of 500 phone numbers and found out 24% of the telephone numbers are outdated. This is not surprising because 26% of the phone numbers in the database are outdated. [2] Parameter is: Value of this parameter is: Statistic is: Value of the statistic is: beau I's to.nobelum age 'stivor (d) (b) A carload lot of bearings have a mean diameter of 2.51 cm. and this is the specifications for acceptance of the lot by the purchaser. By chance, an inspector has chosen 100 bearings from the lot that found they have mean diameter = 2.55 cm. Because this was outside the specified limits, the lot was rejected. [2] Parameter is: W Value of this parameter is: Statistic is: Fors; how y Value of the statistic is:

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