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A company assembles a large part by joining two smaller parts together. Assume that the smaller parts are normally distributed with a mean length of 1 inch and a standard deviation of 0.01 inch.
a. What fraction of the larger parts are longer than 2.05 inches?
b. What fraction of the larger parts are between 1.96 inches and 2.02 inches long?
1. (The Excel file BASE.XLS, found on the CD that came with your Berk and Carey text, has average career batting averages for 263 major league baseball players at the start of the 1988 season. a. Calculate descriptive data statistics (e.g., mean, ..
How does a multiple base line design differ from a reversal design and give three reason a researcher might chose to use a single case design?
Choose a product you are familiar with as a consumer. Answer the following. What type of demand patterns would that product have - cyclical, secular, seasonal, etc. or a combination of several types? Explain.
on average josh makes three word-processing errors per page on the first draft of his reports for work. what is the
If we are dealing with non-normal data we use Chebychev's Theorem. While not as precise, it does provide some level of utility. If we use Chebychev
a) Test whether there is a difference between attitudes in the 2 cities. Use a 95% alpha. b) What does your result say about attitude consistency across cities?
The Journal of Quantitative Criminology (Vol. 8,1992) published a paper on the determinants of area property crime levels in the United Kingdom.
Let Z1, Z2,... be iid random variables with density f . Suppose that P(Zi > 0) = 1 and that λ = limx↓0 f (x) > 0. Let Xn = n min{Z1,..., Zn}. Show that Xn """ Z where Z has an exponential distribution with mean 1/λ.
a consulting firm submitted a bid for a large research rject. the firms managment initaly felt they had a 50 50 chance
regression nuts and boltsconsider the following income and consumption data each measured in 1000s from 10 randomly
Toby's trucking company determined that the distance traveled per truck per year is normally distrinuted, with a mean of 50.0 thousand miles and a standard deviation of 12.0 thousand miles.
If the people on your floor of the dorm bought 200 of those tickets, what is the probability that someone on your floor will hold the winning ticket?
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