Mathematics, 28.04.2021 04:20 dnicole43
A trader bought 12 shirts for $150 altogether. He sold 11 of them for $20 each and one for $10. Work out his overall percentage profit or loss,
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
A trader bought 12 shirts for $150 altogether. He sold 11 of them for $20 each and one for $10.
Wo...
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