Mathematics, 21.06.2019 16:50 gesic2003

# 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 15:50

Name the most appropriate metric unit for each measurement

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Mathematics, 21.06.2019 17:00

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

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Mathematics, 21.06.2019 17:30

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.

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Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard devia...

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