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A company has four departments: manufacturing, distribution, marketing, and management. The number of people in each department is 55, 30, 21, and 13, respectively.
Each department is expected to send one representative to a meeting with the company president. How many possible sets of representatives are there?
If you were told that on a particular day it was raining in Vancouver, what would be the probability that this day would be a winter day?
the cost of a college education has increased at a much faster rate than costs in general over the past twenty years.
the number of unhealthy days based on the aqi air quality index for a random sample of metropolitan areas is shown.
how would you explain the analysis of variance assuming that your audience has not had a statistics class
Computing probability values using normal distribution - How many students earned between $20,000 and $40,000
what is the critical f value for a sample of six observations in the numerator and four in the denominator? use a
suppose that y1 y2 y3 and y4 have a multinomial distribution with n trials and probabilities p1 p2 p3 and p4 for the
Suppose ξ and ζ are two random variables with E(ξ ) = E(ζ ) = 0. Show that var(ξ ) = E(ξ 2) and cov(ξ, ζ ) = E(ξ ζ ). Notes. More generally, var(ξ ) = E(ξ 2) - [E(ξ )]2 and cov(ξ, ζ ) = E(ξ ζ ) - E(ξ )E(ζ ).
A study investigated the perception of corporate ethical values among individuals specializing in marketing. Using a=.05 and the following data (higher scores indicates higher ethical values) test for significant differences in perception among th..
Suppose the annual consumption of chicken mean is 20.84 pounds per person, and that the standard deviation for the consumption of chicken per person is 9.193 pounds.
When calculating all the values of a binomial distribution, the work can usually be simplified by first calculating b(0; n, θ ) and then using the recursion formula
Review the procedures used to verify that collected data are coded and entered correctly before they are analyzed through statistical software packages.
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