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Question: Assume that each of 2000 individuals living near a nuclear power plant is exposed to particles of a certain kind of radiation at an average rate of one per week. Suppose that each hit by a particle is harmless with probability 1 - 10-5, and produces a tumor with probability 10-5. Find the approximate of:
a) The total number of tumors produced in the whole population over a one-year period by this kind of radiation:
b) The total number of individuals acquiring at least one tumor over a year from this radiation.
Sketch the histograms of each distribution, and find the means and SD's.
A random sample of rivets from 2 suppliers were compared to see what the mean diameter was from each and a test to determine whether the population means were the same for the 2 suppliers. Now a comparison of the variation in diameter is needed.
The two variables are whether or not someone smoked and whether or not the person developed Alzheimer's disease.
question what does a line plot do to the shape of the graph of time values which are not uniformly spaced? would an xy
Tattoos (8.2) What percent of U.S. adults have one or more tattoos? The Harris Poll conducted an online survey of 2302 adults during January 2008.
Covercraft manufactures covers to protect automobile interiors and finishes. Its Block-It 200 Series fabric has a limited two-year warranty.
investigate how a company uses data in marketingselect a company maybe your employer and assess how it uses data in
In the science exhibit of a museum of natural history, a coin-flipping machine tosses a silver dollar into the air and tallies the outcome on a counting device. What are all of the respective possible outcomes in any three consecutive coin tosses?
During the past six months, 73.2% of US households purchased sugar. Assume that these expenditures are approximately normally distributed with a mean of $8.22 and a standard deviation of $1.10. 80% of the households spent more than what amount?
On the TV show "Let Make a Deal," one of the three boxes (A, B, C) on the stage contains keys to a Lincoln Continental. The other two boxes are empty.
question a country library in minnesota reported the following number of books checked out in 15 randomly selected
Which of the following events are disjoint and What proportion of the females rated their intelligence less than 7.
Assuming that they wish to test the claim at alpha = 0.025, determine the rejection and non rejection regions based on your hypotheses in a). State the critical value.
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