Mathematics, 03.07.2019 23:20 annabelle2516
Ameteorologist is studying the speed at which thunderstorms travel. a sample of 10 storms are observed. the mean of the sample was 12.2 mph and the standard deviation of the sample was 2.4. what is the 95% confidence interval for the true mean speed of thunderstorms?
Answers: 1
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?
Answers: 2
Ameteorologist is studying the speed at which thunderstorms travel. a sample of 10 storms are observ...
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