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In 2005, McDonald's had 31,886 restaurants systemwide. Of these, 18,334 were operated by franchisees, 9283 by the company, and 4269 by affiliates.
What is the probability that a randomly selected McDonald's restaurant is operated by either a franchisee or an affiliate?
Develop a multiple regression model in which your dependent variable is explained by several independent variables.
Simulate a completely random process of length 48 with independent, t-distributed values each with 5 degrees of freedom. Construct the time series plot. Does it look "random" and nonnormal? Repeat this exercise several times with a new simulation ..
Let X denote the number of students that were on the bus carrying this randomly selected student. One of the 4 bus drivers is also randomly selected. Let Y denote the number of students on his bus. Compute the expectations of X and Y.
If the sex ratio is 135 males: 100 females, and we sample 8 fish at random from the population, what are the probabilities of obtaining 0 males, 1 male, 2 males, and so on, up to 8 males? What is the expected value for this distribution
The coin is tossed twice and a value for Y , the number of heads, is observed. For each possible value of Y , which of the two values for p (1/4 or 3/4) maximizes the probability that Y = y? Depending on the value of y actually observed, what is t..
If one NBA player is selected at random, find the probability that this player is either 7 feet tall or weighs over 200 pounds.
You are estimating the install hours for an electronics upgrade based on the number of components affected. The upgrade for which you are estimating affects 25 components. Given the following equation, select the correct response from each pair.
Standard deviation of sample was $3.53. Determine point estimate of population mean. Determine the 95% confidence interval of population mean. Suppose the variable is normally distributed.
Discuss how the null and alternative hypothesis for one-sample testing differs from two-sample testing; and explain how these two hypothesis' are the same, and provide a numerical example?
Importance of time series analysis -Subject : Basic Statistics and Grade Level : Post Graduate Level
a weight lifter puts an x-pound weight on each side of a bar. a weight 5 pounds heavier than the first is then added to
Given the crash information, what is the shortest time to complete the project, and how much extra will it cost to finish in the shortest possible time?
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