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Mathematics, 21.06.2019 16:50
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?
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Mathematics, 21.06.2019 16:50
An angle that measures between 90 and 180° is called a(,
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Mathematics, 21.06.2019 18:30
Which number line represents the solution set for the inequality -1/2x> 24?
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Y=2/3x+5 in standard form...
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