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Problem-
Mothers Against Drunk Driving (MADD) is a very visible group whose main focus is to educate the public about the harm caused by drunk drivers. A study was recently done that emphasized the problem we all face with drinking and driving. Five hundred accidents that occurred on a Saturday night were analyzed. Two items noted were the number of vehicles involved and whether alcohol played a role in the accident. The numbers are shown below: Number of Vehicles Involved Did alcohol play a role? 1 2 3 Yes 60 110 30 200 No 40 215 45 300 Total 100 325 75 What proportion of accidents involved alcohol and a single vehicle? Additional information-
This problem relates to Basic Statistics and it is about a study on accidents occurring due to driving and drinking. The proportion of drunken driving with single vehicle has been calculated.
you are a medical claims processor for humana. claims arrive at your desk at an average rate of three claims per day
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If the population standard deviation is σ = 10, can you conclude that the treatment has a significant effect? Use a two-tailed with α = .05.
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Ffind the probability that exactly 7 of the 10 consumers recognize the brand name. Also find the probability that the number who recognize the brand name is not 7.
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