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1.During a recent year, speeding was reported in 12.9% of all automobile accidents in the United States (The World Almanac 2010). Assume the probability that speeding is reported in an accident is 0.129, the probability of an accident in which speeding is reported leading to a fatality is 0.196, and the probability of an accident in which speeding is reported that does not lead to a fatality is 0.05. Suppose you learn of an accident involving a fatality. What is the probability that speeding was reported?
The past history shows that 60% of employees prefer Starbucks brand coffee. A sample of 5 employees is selected, what is the probability that less than 3 prefer Starbucks?
we have a system consisting of four components. each component functions or fails each independently of the others. the
The sample mean was $22,098 and the standard deviation was $6050. Is there evidence at the 1% significance level that the cost of attendance has increased?
What is the range of maintenance costs? What is the standard deviation? About 95 percent of the maintenance costs are between what two values?
Develop a marketing strategy that will increase sales and better target Toronto residents who are likely to buy the company's Smartphone and the type of plan they buy.
The manufacturer of a coffee dispensing machine claims the ounces per cup is normally distributed with population mean equal to 8 ounces and standard deviation equal to 0.9 ounces. If 50 cups of coffee were measured, what is the probability that.
Using a 95% confidence interval, estimate the minimum difference between the mean postexposure attitude score and the mean preexposure attitude score. (Round your answer to 2 decimal places.).
1. questions based on a distribution of scores with and the standard deviation 6.38. draw a small picture to help
question a popular media poll revealed that 44 of australian adults in the 18-34 years category think that lsquomade in
describe a run chart and give an example. refer to the values on each of the axes as you describe the run
A couple both carry a recessive gene for albinism, meaning the probability of any child being albino is ¼. The couple plans to have 4 children. What is the probability that two of their four children will be albino? Calculate the expected mean and ex..
According to the National Football League, the average salary for players for the 2010 season was about $1.9 million while the median salary is around $770,000. Why are both numbers reported? What might the difference between the two statistics me..
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