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Mathematics, 22.07.2019 17:00 babygirl2984
You went to store to go where they were having a 20% off sale on all items. you bought two shirts marked $29.95 and $34.99 and a $49.95 pair of shoes that had an additional 25% reduction. the receipt is shown.
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Mathematics, 21.06.2019 12:30, mary2971
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Mathematics, 22.06.2019 01:30, diamondgray2003
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Mathematics, 22.06.2019 03:50, jescanarias22
Arandom sample of n = 25 observations is taken from a n(µ, σ ) population. a 95% confidence interval for µ 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 − α)% needed.
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You went to store to go where they were having a 20% off sale on all items. you bought two shirts ma...
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