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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 18:00
Adriveway is 40 yards long about how many meters long is it
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Mathematics, 22.06.2019 01:00
Find all the angles that satisfy the equation cos(θ)=32
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