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A bottling company uses a filling machine to fill plastic bottles with a popular cola. The bottles are supposed to contain 300 ml. In fact, the contents vary according to a normal distribution with mean 303 ml and standard deviation 3 ml.
What is the probability that an individual bottle contains less than 300 ml? .1587
Now take a random sample of 10 bottles.
What is the mean of the sample of 10 bottles?
What is the standard deviation of the sample mean of these 10 bottles? Round to the nearest hundredth.
What is the probability that the sample mean of the 10 bottles is less than 300 ml? Round to the nearest hundredth.
Ski resort profits $1,500,000 during a good winter with lots of snow. The resort has a loss of $500,000 otherwise. The resort's historical climate data suggests that the probability of a good winter with lots of snow during any given year is 40%.
If you are moving international cargo to the United States, what security issues and regulations would impact your operations? How will you comply with these requirements?
If a linear correlation coefficient (Pearson correlation) is -0.8443 for data suitable for simple linear regression, then the slope of the simple linear regress
Consider the event that a player scores a point in a game against team A and the event that the same player scores a point in a game against team B.- What is the union of the two events? What is the intersection of the two events?
in 1999 a sample of 200 in-store shoppers showed that 42 paid by debit card. in 2004 a sample of the same size showed
If the scientists want to cut the margin of error in half, how many deer must they inspect?
Calculate the mean and standard deviation of p-hat and describe the shape of its sampling distribution.
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assume that a simple random sample has been selected from a normally distributed population and test the given claim.
Please explain: if the mean is 26 and the standard deviation is 5, find the probability that x assumes a value between 28.5 and 51.0.
The article "Truth and DARE: Tracking Drug Education to Graduation" (Social Problems [1994]: 448-456) compared the drug use
Roberta scored in the 85th percentile on a standardized test of reading ability. What is Roberta's associated z score?
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