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A final exam in Math 157 is normally distributed and has a mean of 75 with a standard deviation of 12. If 36 students are randomly selected, find the probability that the mean of their test scores is greater than 70.
Compute the 95% confidence interval on theproportion of times this person can predict coin flips correctly. Whatconclusion can you draw about this test of his ability to pre
If the sports report begins at 11:10, what is the probability that he misses part of the report if he waits until grading is done before turning on the TV?
Bob throws six dice and wins if he scores at least one ace. Alice throws 12 dice and wins if she scores at least two aces. Who has the greater probability of winning?
For each of the following datasets, explain whether you would expect the mean or the median of the observations to be higher:- In a rural farming community, for each household
Height X of adult women are normally distributed with mean 63.7 inches and standard deviation 2.71 iches. Romeo who is 68.25 inches tall wishes to date only women who are
Listed below are the highway fuel consumption amounts (in mi/gal) from cars in three different categories. Use a 0.05 signifiacance level to test the claim that the differen
Suppose that we wish to estimate the average daily pollution in Lake Erie. The daily yield, recorded for n = 50 days, produced a mean and standard deviation equal to y = 871
The entire batch will be rejected if at least one of those tested is defective. What is the probability that the entire batch will be rejected?
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