Mathematics, 29.06.2019 20:00 xxaurorabluexx
Alaboratory technician needs to make a 135-liter batch of a 20% acid solution. how can the laboratory technician combine a batch of an acid solution that is pure acid with another that is 10% to get the desired concentration?
Answers: 1
Mathematics, 21.06.2019 20:30
Which shows the graph of the solution set of 3y – 2x > –18?
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Mathematics, 21.06.2019 22:00
Find two consexutive odd integers such that the sum of their square is 650
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Mathematics, 21.06.2019 22:30
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
Alaboratory technician needs to make a 135-liter batch of a 20% acid solution. how can the laborator...
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