Mathematics, 04.02.2022 01:30, SpiritedAway7087
An $80 item is reduced to $60, then marked back up to $80. Which statement describes the percent increase and percent decrease?
A. The percent increase is 20%
B. The percent increase is less than the percent decrease.
C. The percent increase is equal to the percent decrease.
D. The percent increase is greater than the percent decrease.
Answers: 3
Mathematics, 21.06.2019 22:30, thelonewolf5020
Amachine that produces a special type of transistor (a component of computers) has a 2% defective rate. the production is considered a random process where each transistor is independent of the others. (a) what is the probability that the 10th transistor produced is the first with a defect? (b) what is the probability that the machine produces no defective transistors in a batch of 100? (c) on average, how many transistors would you expect to be produced before the first with a defect? what is the standard deviation? (d) another machine that also produces transistors has a 5% defective rate where each transistor is produced independent of the others. on average how many transistors would you expect to be produced with this machine before the first with a defect? what is the standard deviation? (e) based on your answers to parts (c) and (d), how does increasing the probability of an event a↵ect the mean and standard deviation of the wait time until success?
Answers: 3
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Mathematics, 22.06.2019 02:30, jdkrisdaimcc11
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An $80 item is reduced to $60, then marked back up to $80. Which statement describes the percent inc...
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