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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.
y -8 -4xa. find the y-intercept and slopeb. determine weather the line slopes upward slopes downward or is horizontal
One drawback of ANOVA is that it allows type 1 error to escalate for every additional group tested
Distribution of Sample Means
Based on these results, does te diet appear to be effective? Does the diet appear to have practical significance?
Construct a hypothesis test to determine whether the average weight of a Smoky Bear moving van is more that 12,000 lb. Us a 5% level of significance.
a major u.s. tire maker wants to review its warranty for their rainmaker tire. the warranty covers at most 40000 miles.
Scores on the Math Achievement Test form a normal distribution with a mean of u = 300 and a standard deviation of a = 100. What score separates the top 10% of the distribution from the rest.
to provide information on whether coatings on iron pipes are of any use 10 pieces of pipe are each marked off in equal
Determine the mean annual amount spent on household consumption per family with a sample of 100 families, an average amount of $8,000 spent, and if the population standard deviation is $500,
If the population standard deviation is σ = 20 is the 6 point effect large enough to be statistically significant? Use the two - tailed test with α = .05
People who answered incorrectly, 26 are men. The question was given to an equal number of men and women all with the same IQ. Find the probability that among 120 wrong answers, at least 82 made by men.
in a population of 1000 subjects 800 are unemployed. in the same population 700 of the subjects are males. of the males
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