Mathematics
Mathematics, 28.07.2019 18:10, camilacarrielh15

Typing 1500 words in 30 minute is words per miunte

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Mathematics, 27.07.2019 18:20, haleeleslie80
Asample of experienced typists revealed that their mean typing speed is 87 words per minute and the median typing speed is 73 words per minute. the standard deviation of typing speed is 16.9 words per minute. what is the pearson coefficient of skewness?
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Mathematics, 18.08.2019 04:10, yeidiyan9490
Henry has collected data to find that the typing speeds for the students in a typing class has a normal distribution. what is the probability that a randomly selected student has a typing speed of less than 51 words per minute if the mean is 47 words per minute and the standard deviation is 4 words per minute
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Mathematics, 27.08.2019 18:20, marahsenno
Hugo averages 58 words per minute on a typing test with a standard deviation of 11 words per minute. suppose hugo's words per minute on a typing test are normally distributed. let x= the number of words per minute on a typing test. then, x∼n(58,11). suppose hugo types 74 words per minute in a typing test on wednesday. the z-score when x=74 is this z-score tells you that x=74 is standard deviations to the (right/left) of the mean,
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