Mathematics, 22.11.2019 03:31 hiccup5653oye1pb
Suppose a random sample of 25 students is selected from a community college where the scores in the final exam (out of 125 points) are normally distributed, with mean equal to 112 and standard deviation equal to 12. what is the mean of the sampling distribution of the sample mean *? what is the standard deviation? find the probability that * exceeds 116. find the probability that the sample mean deviates from the population mean = 112 by no more than 4.
Answers: 1
Mathematics, 20.06.2019 18:04
Classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular. a.heptagon, regular b. heptagon, not regular c. octagon, regular d. octagon, not regular
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Mathematics, 21.06.2019 18:00
The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?
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Mathematics, 21.06.2019 19:00
At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?
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Mathematics, 22.06.2019 01:10
You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?
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Suppose a random sample of 25 students is selected from a community college where the scores in the...
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