Mathematics, 28.12.2019 19:31 jeanieb
What is the standard deviation for the data set? 138, 129, 145, 134, 142, 159, 153, 142, 127 express your answer as a decimal to the nearest tenth.
Answers: 1
Mathematics, 21.06.2019 13:00
225/100 of last years cost. write each fraction as a decimal and as a percent
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Mathematics, 21.06.2019 19:00
Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?
Answers: 2
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 aรขโ ยตect the mean and standard deviation of the wait time until success?
Answers: 3
What is the standard deviation for the data set? 138, 129, 145, 134, 142, 159, 153, 142, 127 expres...
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