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A driver's reaction time in response to another car changing lanes is normally distributed with a mean of 0.4 seconds and a standard deviation of 0.05 seconds.
1- What is the probability it takes a driver longer than 0.5 seconds to react?
2-We design braking systems to be safer by building to the reasonably slowest person. What reaction time will 99.99% of the drivers be faster than?
3- 80% of the driver reaction times will be slower than what reaction time?
a dividend is a payment from a publicly traded company to its shareholders. the dividend yield of a stock is determined
A Tamiami shearing machine is producing 10 percent defective pieces, which is abnormally high. The quality control engineer has been checking the output by almost continuous sampling since the abnormal condition began.
The traveling salesperson randomly selects 5 apartments in your building to visit. What is the probability that she visits both you and your neighbor bill?
the australian bureau of statistics recently released figures on petrol usage. following are the 15 leading cities in
Psychological test. For the sample data, n = 50,mean = 17.3 and S.D = 5.4.USE level of significance = .05. Complete hypotheses testing using P value approach.
Smith bicycled 45 miles going east from Durango, and Jones bicycled 70 miles. Jones averaged 5 miles per hour more than Smith, and his trip took one-half hour longer than Smith's. How fast was each one traveling?
The manufacturer of an airport baggage scanning machine claims it can handle an average of 530 bags per hour.
in one area of an orchard there are 17 trees of which 10 are busy and 7 are lean. if 4 trees are randomly selected for
Do you know if there is any differences in the densities of a product at certain temperatures. Here is the data that I received. Tell me if there is any difference.
Suppose there are two samples of size 6 and 7, with a rank sum of 58 in the sample of size 6. Using the Wilcoxon rank-sum test, evaluate the significance of the results, assuming there are no ties.
problem 1 - what sample size is needed to obtain a 90 percent confidence interval for the mean protein content of meat
q1. mimi was the 5th seed in 2012 umuc tennis open that took place in august. in this tournament she won 83 of her 100
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