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1. Picture a square table for four people, with one chair on each side of the square. Two people come to the table to eat together. Do they sit beside each other or across from each other?
a. Construct a rule for predicting whether or not two people sitting down at a square table will sit across from each other
b. Go to a cafeteria that has a number of square tables for four to check out your rule. What fraction of the time were you correct?
c. Under the assumption that people choose seats at random, what fraction of the time should two people sit across from each other? How does this fraction compare with your answer to part b?
Scenario Three: On Friday's the Elm Street branch opens a second lane (window) during its 8 hours of operation in order to accommodate employees from a local manufacturing plant who want to deposit their paychecks. When a customer in the single line ..
cereal is sold by weight not volume. this introduces variability in the volume due to settling. as such the height to
The following data are available (number of half-gallon containers sold per day): 48, 59, 45, 62, 50, 68, 57, 80, 65, 58, 79, 69. Assuming that this is a random sample of daily demand, give a 90% con?dence interval for average daily demand for mil..
At the 5% level of significance, test whether the proportion of internet users paying bills online is now more than 50%.
For a uniform distribution over the interval a = 1 and b = 4, draw the probability density function and determine the median and the .1 and .9 quantiles.
Suppose that the incomes of all people in the United States who own hybrid (gas and electric) automobiles are normally distributed with a mean of $78,000 and a standard deviation of $8300.
Two rainstorms occurred in one week in a certain area. The first storm lasted 25 hours, and the second storm lasted 35 hours, for a total 2050ml of rain.
Explain why the factor levels must be randomly chosen in the randomeffects model to allow inference about an entire collection of treatments.
How might variance and standard deviation be applied to a real-world business-related problem? Provide a specific application in which these measures are useful.
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q1 define what the chi square distribution is. why do you use the chi-square statistic? what type of data is used
the image of the public library is constantly changing and their online services continue to grow. usage of the
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