Mathematics, 26.11.2019 22:31 aaron3575
Suppose that a marketing research firm wants to conduct a survey to estimate the meanμof the distribution of the amount spent on entertainment by each adult who visits a certain popularresort. the firm would like to estimate the mean of this distribution to within $60 with 95% confidence. from data regarding past operations at the resort, it has been estimated that the standard deviation ofthe entertainment expenditures is no more than $400. how large does the firm’s sample size need to be?
Answers: 3
Mathematics, 21.06.2019 15:00
Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?
Answers: 2
Mathematics, 21.06.2019 19:30
Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong
Answers: 1
Mathematics, 21.06.2019 21:00
Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list
Answers: 1
Suppose that a marketing research firm wants to conduct a survey to estimate the meanμof the distrib...
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