Mathematics, 01.09.2020 01:01 dblakes43
Which of the following numbers is a composite number?
A. 13
B. 31
C. 49
D. 67
Answers: 3
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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?
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Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?
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Which of the following numbers is a composite number?
A. 13
B. 31
C. 49
D. 6...
A. 13
B. 31
C. 49
D. 6...
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