Mathematics, 14.10.2021 01:00 bobtothemaxthe1st
The mean number of words per minute (WPM) typed by a speed typist is 143143with a standard deviation of 1212WPM. What is the probability that the sample mean would be greater than 142.2142.2WPM if 7676speed typists are randomly selected?
Answers: 3
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In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?
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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
The mean number of words per minute (WPM) typed by a speed typist is 143143with a standard deviation...
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