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Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
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What does the relationship between the mean and median reveal about the shape of the data
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The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers
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What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3
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What is the value of x?
a.31
b.41
c.29
d.60
...
a.31
b.41
c.29
d.60
...
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