Mathematics, 19.12.2019 05:31 ashley968
Out of a random sample of 2,000 people in the united states, 168 reported making more than $75,000 a year. calculate the sample proportion latex: \hat{p}p ^ of people in the united states who earn more than $75,000 each year. give your answer accurate to three decimal places in decimal form. (example: 0.398)
Answers: 1
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To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that
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Mathematics, 21.06.2019 19:30
Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%
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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
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