20*20 PLZ
CAUSE THIS WORK IS HARD AND IM IN THE 3RD GRADE...
Answers: 2
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?
Answers: 3
Mathematics, 21.06.2019 17:10, naimareiad
Which of the following expressions is equal to 2x^2+8
Answers: 1
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