Mathematics, 07.04.2020 22:47 jetblackcap
1. Assume the age of night school students is normally distributed. A simple random sample of 24 night school students had an average age of 27.3 years. Use this information and a sample standard deviation of 5.6 to find a a. 90% confidence interval estimate for the population variance b. 90% confidence interval estimate for the population standard deviation c. Explain the meaning of the confidence interval that you found in b. What does the 90% mean
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Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your
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Mathematics, 21.06.2019 22:20
The volume, v, of a rectangular prism is determined using the formula, where / is the length, w is the width, and his theheight of the prism. carltren solves for w and writes the equivalent equation w=using this formula, what is the width of a rectangular prism that has a volume of 138.24 cubic inches, a height of 9.6 inches,and a length of 3.2 inches?
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Mathematics, 22.06.2019 00:10
Of f(x) is byof f(x)=-3|x| x-.f(x)? a )f(x)=3|x| b) f(x)=|x+3| c) f(x)= -3|x| d) f(x)= -|x+3|
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Mathematics, 22.06.2019 01:30
Josie buys a pair of boots that retail for $52.00 dollars, however they are currently on sale for 25% off how much does josie pay for the boots if there is also a 6% sales tax on them
Answers: 1
1. Assume the age of night school students is normally distributed. A simple random sample of 24 nig...
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