Mathematics, 21.11.2019 02:31 Wildstyle3000
4) we want a 99% confidence interval for the average amount of time (in minutes) spent commuting to work in a large city. the interval is to have a margin of error of no more than 3 minutes, and the amount of time spent commuting has a normal distribution with a standard deviation ο³ = 18 minutes. what numbers of observations are required?
Answers: 3
Mathematics, 21.06.2019 17:20
What other information do you need to prove triangle dac=bca by asa
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At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?
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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?
Answers: 2
4) we want a 99% confidence interval for the average amount of time (in minutes) spent commuting to...
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