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An experimental study is designed to test the potency of a drug on 16 calves. Previous studies have shown that a 10-mg dose of the drug is lethal 7% of the time within the first 7 hours. Of the animals alive at 7 hours, 12% will die in the next 7 hours. What is the probability that 0 calves will die in the 14 hour period?
Promotion occurs on average every 10 days in a large corporation. What is the probability that the next promotion will occur within:
At the 5 percent level of significance, can we conclude that the mean weight is greater than 16 ounces? Determine the p- value.
The bank wants to find out the waiting time of their customers during the Friday evening hours from 5pm to 8pm. Using the data in ungrouped form, compute the Standard Deviation, using the computational formula.
If an urn is selected at random and a ball is drawn, find the probability it will be red.
Determine the relationships among data above? Analyze with charts/graphs/tables and a discussion.
Calculate the probability that the median of the sample or average medians is:
Assume you choose 20 houses at random. On average, how many houses of twenty would you expect to have DVD? Determine standard deviation of number of houses with DVD?
For following scores determine values of each expression: X: 4, 2, 1, & 5. åX, åX 2 , (åX) 2 , å(X-1).
What the information do z-scores give that actual heights do no?
A random sample of five accidents resulted in the following number of persons injured: 18, 15, 12, 19, & 21. Using the .01 significance level, can we conclude the population mean is less than 20 for all accidents?
Write ten-step study plan with suitable example that will permit you to analyze your data.
Carry out F test for significance of straight line regression of Y on X and interpret your results.
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