 , 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.   ### Another question on Mathematics 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? 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? 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 Mathematics, 21.06.2019 19:30
If chord ab is congruent to chord cd, then what must be true about ef and eg?
You know the right answer?
Amarketing student is estimating the average amount of money that students at a large university spe...
Questions             Mathematics, 24.08.2019 13:00       