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Razorback Pharma is in the business of making hydrogen peroxide. The company's quality control board requires that each bottle of peroxide should contain at least 16 ounces. The production engineer knows that the amount of peroxide in each bottle is normally distributed with a mean of 16.3 ounces and the standard deviation of 0.3 ounces.
What is the approximate probability that any given bottle will contain more than the required 16 ounces of peroxide?
Suppose that 0 was inside of the 95% confidence interval. From that measure, could you conclude that the water became cleaner?
suppose that a particular candidate for public office is in fact favored by 48 of all registered voters in the
Galvanizing lines that are assumed to operate independently. What is the probability that none of the lines experiences a surface finish problem in 40 hours of operation.
There is much discussion in the press about several states moving to legalizing marijuana, either for only medical purposes, or more extremely, for recreational purposes. Looking only at the economic impact (not moral implications) of such changes..
a spymaster has a network of 7 operatives whom he pays out of a slush fund containing 20000. for accounting reasons his
If the total variation in Y is 96.40 (SSY = 96.40), then what is the ss regression; or the amount of variation that is predicted by X?
1. in a taste test between coke c and pepsi p a random sample of 15 students gave the following preferences c c p
How might you improve the experimental design to take other possible influences into account?
Compute the value of the test statistic. What assumption regarding the populations is necessary to implement this step?
When sampling is done for the proportion of defective items in a large ship- ment, where the population proportion is 0.18 and the sample size is 200, what is the probability that the sample proportion will be at least 0.20?
Test the claim that proportion of men who own cats is smaller than the proportion of women who own cats at the .10 significance level.
If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, what percentage of light bulbs have a life less than 2500 hours?
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