Which ratio is greater than 5/8?
12/24
3/4
15/24
4/12...
Answers: 2
Mathematics, 22.06.2019 03:50, jescanarias22
Arandom sample of n = 25 observations is taken from a n(Āµ, Ļ ) population. a 95% confidence interval for Āµ was calculated to be (42.16, 57.84). the researcher feels that this interval is too wide. you want to reduce the interval to a width at most 12 units. a) for a confidence level of 95%, calculate the smallest sample size needed. b) for a sample size fixed at n = 25, calculate the largest confidence level 100(1 ā Ī±)% needed.
Answers: 3
Mathematics, 22.06.2019 04:00, thebrain1345
Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?
Answers: 2
Mathematics, 22.06.2019 04:20, dtovar4922
If a + b = 4, what is the value of |4 ā a| + |4 ā b|?
Answers: 3
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