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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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The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base
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Mathematics, 22.06.2019 00:00
Which of these angles are supplementary? a. 100o and 90o b. 78o and 102o c. 54o and 146o d. 12o and 78o
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Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.
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There are 3 birds and 5 birds how many are their?...
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