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OpenStudy (chupacabraj):
Probability problems? I got them wrong lol
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OpenStudy (chupacabraj):
The speeds of vehicles on a highway with speed limit 90 km/h are normally distributed with mean 102 km/h and standard deviation 6 km/h. (Round your answers to two decimal places.) (a) What is the probability that a randomly chosen vehicle is traveling at a legal speed? 22 Incorrect: Your answer is incorrect. % (b) If police are instructed to ticket motorists driving 110 km/h or more, what percentage of motorist are targeted? 0 Incorrect: Your answer is incorrect. %
jimthompson5910 (jim_thompson5910):
how did you get 22 for part a?
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