Mathematics, 23.11.2019 13:31 ghjjn
If the average ticket price for movie a in its first week was 1.4 times the average ticket price in its third week, what was the average ticket price for movie a in its first week?
movie a ticket: $8.35
Answers: 3
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
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