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Find out the probability for the sample mean under the Normal distribution. The diameters of oranges in a certain orchard are normally distributed with the mean of 5.26 inches and a standard deviation of 0.50 inches.
A random sample of 100 oranges is gathered and the mean diameter obtained was 5.12. If another sample of 100 is taken, what is the possibility that its sample mean will be greater than 5.12 inches?
Determine the probability that mean annual snowfall during 40 randomly picked years will exceed 111.8 inches?
FBI Report Do greater universities tend to have more property crime, would you speek that the correlation is low, moderate or high
Provide a discussion that supports the assumption that the variance of savings increases with family income.
Categorize the following as discrete or continuous random variables.
The study does not give sufficient evidence to support the claim that less than 75% of college students spend less than $250 per semester on textbooks.
A researcher measures a response variable Y and explanatory variable X on each of several objects. A scatterplot of the measurements is as follows.
High levels of cockpit noise in an aircraft can damage the hearing of pilots who are exposed to this hazard for many hours
A chance sample of 50 families revealed an average or median of $112,000 and a standard deviation of $40,000. What is the standard error of the average or median?
How many days should be considered if a 95 percent confidence is used and the estimate is to be within one hundred dollars?
During the 2003 season, MLB took steps to speed up the play of baseball games in order to maintain fan interest; the following results come from a sample of 60 games played during the summer of 2002. And a sample of 50 games played during the summ..
Given that P (A) = 0.7, P (B) = 0.5, and P (A B) = 0.8. Find the following probabilities:
Is there evidence that population mean amount is different form 8.17 ounces? (Use a 0.05 level of significance.) with sample standard deviation of 0.051 ounce.
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