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Imagine that you have not studied for this midterm. There are 10 multiple-choice questions and for each of these questions there are 4 possible choices (for example, the correct answer is a, b, c, or d). You decide to answer these 10 questions in a purely random way, assuming that each of the options (a, b, c, and d) has the same probability of being the correct answer.
a) What is the probability of having 3 good answers out of 10?
b) What grade should you expect if you answer these 10 questions randomly assuming you have two points per correct answer and 0 per wrong answer?
c) What would be the variance of the score if you answer these 10 questions randomly, assuming you have two points per correct answer and 0 per wrong answer?
Denote by M0 the logistic model with only an intercept term and by M1 the model that also has x as a linear predictor. Denote the maximized log likelihood values by L0 for M0, L1 for M1, and Ls for the saturated model. Recall that G2(Mi) = -2(Li -..
The national median sales price for new single-family homes is $230,000 (The Associated Press, March 25, 2006). Assume that the following data were obtained for sales of existing single-family homes in Houston and Boston.
Compute the theoretical minimum number of workstations. Work Station Task Selected
In this module, you have explored the transitional phase of change. As a manager/leader you have many responsibilities to help the organization move through this phase. In this assignment, you will demonstrate your knowledge about a manager's role..
Determine the probability that no two students will complete the examination within 10 minutes of each other.
Find the conditional probability of making a purchase given that the customer had been to the site within the past month.
A blind taste test is done to compare Cola 1 and Cola 2. Among n = 75 participants, p^ =.64 is the proportion preferring Cola 1.
a draw thenbspscatter plotnbspfor the variables.b compute thenbspcorrelation coefficient. usenbspthree
a two-stage clinical trial is planned for for testing h0 p0.10 versus ha pgt0.10 where p is the proportion of
Consider the price of homes in a large metropolitan area. What kind of distribution would you expect in terms of skew ness and kurtosis?
If not, you lose the money you bet. Suppose you play 3 times, each time with a $1 bet. Let Y represent the total amount won or lost.
If you required return on this investment is 11%, how much will you be willing to pay for the stock?
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