Mathematics, 21.11.2019 19:31 moonlightparis9015
As part of his semester project, a byu-idaho introductory statistics student calculates a 95% confidence interval for the true percentage of byu-idaho students who are from latin america. what does the phrase "95% confidence" mean?
a. there's a 95% chance that the true proportion is in the confidence interval. b. 95% of the student's data are within the confidence intervals.
c. if we create many 95% confidence intervals, 95% of them will contain the true proportion.
d. the sample proportion is in 95% of the confidence intervals we make.
Answers: 2
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Mathematics, 21.06.2019 20:00
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
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As part of his semester project, a byu-idaho introductory statistics student calculates a 95% confid...
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