Mathematics, 06.05.2020 02:02 xxleeciexx
Alek went for a walk. D(t) models the distance Alek walked (in kilometers) after t hours.
What does the statement D(0.5) < D(1) - D(0.5) mean?
a) The distance Alek walked during the first half-hour is shorter than the distance he walked during the following half-hour.
b) The distance Alek has walked after walking for an hour is greater than the distance he has walked after half an hour.
c) The time it took Alek to walk the first half kilometer is shorter than the time it took him to walk the following half kilometer.
Answers: 3
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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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The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?
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Alek went for a walk. D(t) models the distance Alek walked (in kilometers) after t hours.
Wha...
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