8. four cars go round a racing track in 1 min 12 seconds. i min 28 seconds. 1 min 39 seconds
an...
Mathematics, 05.10.2019 01:10 kari41434
8. four cars go round a racing track in 1 min 12 seconds. i min 28 seconds. 1 min 39 seconds
and i min 48 seconds respectively. they started together. how long will it be until they all pass
the starting point together again?
Answers: 1
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
Answers: 1
SAT, 04.10.2021 22:40
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