Mathematics, 24.03.2020 21:39 alextoro
A market surveyor wishes to know how many energy drinks teenagers drink each week. They want to construct a 98% confidence interval with an error of no more than 0.08. A consultant has informed them that a previous study found the mean to be 5.9 energy drinks per week and found the variance to be 1.21. What is the minimum sample size required to create the specified confidence interval
Answers: 3
Mathematics, 21.06.2019 16:10
The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.
Answers: 1
Mathematics, 21.06.2019 17:30
What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9
Answers: 1
Mathematics, 21.06.2019 20:50
The cost of turkey is directly proportional to its weight. if a 12-pount turkey costs $27, how much does a 16-pound turkey cost? a. $33.75 b. $36.00 c. $31.00 d. $32.50
Answers: 3
A market surveyor wishes to know how many energy drinks teenagers drink each week. They want to cons...
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