Mathematics, 17.08.2019 19:10 kimlyn58p0wyn0
Atype of lightbulb is labeled as having an average lifetime of 1000 hours. it’s reasonable to model the probability of failure of these bulbs by an exponential density function with mean μ = 1000. use this model to find the probability that a bulb (i) fails within the first 200 hours, (ii) burns for more than 800 hours.
Answers: 3
Mathematics, 21.06.2019 19:40
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
Mathematics, 21.06.2019 20:30
Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?
Answers: 1
Mathematics, 21.06.2019 23:30
Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000
Answers: 1
Mathematics, 21.06.2019 23:30
I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i
Answers: 1
Atype of lightbulb is labeled as having an average lifetime of 1000 hours. it’s reasonable to model...
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