Mathematics, 22.02.2022 01:00 genyjoannerubiera
Let X represent the SAT score of an entering freshman at University X. The random variable X is known to have a N(1170, 80) distribution. Let Y represent the SAT score of an entering freshman at University Y. The random variable Y is known to have a N(1200, 100) distribution. A random sample of 100 freshmen is obtained from each university. Let = the sample mean of the 100 scores from University X, and = the sample mean of the 100 scores from University Y. Q: What is the probability (p-value) that will be less than 1180?
Answers: 2
Mathematics, 21.06.2019 14:40
The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.
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Mathematics, 21.06.2019 20:30
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Mathematics, 21.06.2019 21:30
The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?
Answers: 3
Let X represent the SAT score of an entering freshman at University X. The random variable X is know...
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