Mathematics, 15.10.2020 14:01, genaroaG6119

7/8 square foot in 1/4 hour

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Mathematics, 21.06.2019 19:40, marshallmattah

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297

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Mathematics, 22.06.2019 00:40, yasarhan2

Solve the following system of equations express your answer as an ordered pair in the format (a, b) with no spaces between the numbers of symbols 5x+2y=22

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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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Mathematics, 22.06.2019 04:00, hjamya17

What ordered pair represents this equation? 3x-y=8 and x+y=2

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