![answer](/tpl/images/cats/otvet.png)
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![image](/tpl/images/cats/mat.png)
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%
Answers: 1
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:50, sainijasdeep27
Write the standard form of an equation with (see picture below)
Answers: 2
![image](/tpl/images/cats/mat.png)
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Complete the pair parts RST = TXY RT...
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