Mathematics, 25.03.2021 17:50 Downfall
Shad Yarbrough wants to consider the cost per use of a high-end desk top computer he is considering for his web site business. The computer costs $1,750 and has a life expectancy of four years. If Shad feels he would use the computer three days a week, on average, what is Shad's cost per use?
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Mathematics, 22.06.2019 00:50
D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false
Answers: 1
Mathematics, 22.06.2019 03:50
Arandom sample of n = 25 observations is taken from a n(Β΅, Ο ) population. a 95% confidence interval for Β΅ 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 β Ξ±)% needed.
Answers: 3
Shad Yarbrough wants to consider the cost per use of a high-end desk top computer he is considering...
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