Mathematics, 09.04.2020 17:30 shetherealbrat

Explain what a line of best fit is.

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Mathematics, 21.06.2019 15:30, Leggett3146

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Mathematics, 21.06.2019 18:40, miguel3maroghi

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

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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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Explain what a line of best fit is....