Mathematics, 03.02.2021 14:00, lilmamaforev5093

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Mathematics, 21.06.2019 18:20, nehaljay1883

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

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Mathematics, 21.06.2019 21:40, chunkymonkey090

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Mathematics, 21.06.2019 21:50, safiyyahrahman8937

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

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Mathematics, 21.06.2019 23:30, maddo36

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?

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