Mathematics, 06.11.2019 19:31 dani2997

# Amarketing student is estimating the average amount of money that students at a large university spent on sporting events last year. he asks a random sample of 50 students at one of the university football games how much they spent on sporting events last year. using this data he computes a 90% confidence interval, which turns out to be ($217, $677). which one of the following conclusions is valid? a. we can be 90% confident that the mean amount of money spent at sporting events last year by all the students at this university is between $217 and $677. b. 90% of the sample said they spent between $217 and $677 at sporting events last year. c. no conclusion can be drawn.

Answers: 1

Mathematics, 21.06.2019 15:30

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

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Mathematics, 21.06.2019 17:00

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

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Mathematics, 21.06.2019 19:30

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

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Mathematics, 21.06.2019 19:30

If chord ab is congruent to chord cd, then what must be true about ef and eg?

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Amarketing student is estimating the average amount of money that students at a large university spe...

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