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Guilt among workers who survive a layoff. Workers who survive a layoff of other employees at their location may suffer from "survivor guilt." A study of survivor guilt and its effects used as subjects 90 students who were offered an opportunity to earn extra course credit by doing proofreading. Each subject worked in the same cubicle as another student, who was an accomplice of the experimenters. At a break midway through the work, one of three things happened:
Treatment 1: The accomplice was told to leave; it was explained that this was because she performed poorly.
Treatment 2: It was explained that unforeseen circumstances meant there was only enough work for one person. By "chance," the accomplice was chosen to be laid off.
Treatment 3: Both students continued to work after the break.
The subjects' work performance after the break was compared with performance before the break.
(a) Outline the design of this completely randomized experiment.
(b) If you are using software, randomly assign the 90 students to the treatments. If not, use Table B at line 153 to choose the first 4 subjects for Treatment 1.
Are the simple events equally likely? If not, why not?- What is the probability that Laura will have to pay for lunch and leave the tip?
the average age for licensed drivers in a county is micro 42.6 ? 12 and the distribution is approximately normal. a
a company is studying the feasibility of buying an elevator for a building under construction. one proposal is a
Identify the level of measurement (nominal, ordinal, interval, ratio) for the number of shares held by stockholders.
Find the probability that a value randomly selected from this population will have a value greater than 130.
Serena Williams made a successful first serve 67% of the time in a Wimbledon finals match against her sister Venus. If she continues to serve at the same rate the next time they play and serves 6 times in the first game, determine the following pr..
suppose that incoming calls per hour to a customer service center of a small credit union are uniformly distributed
As the U.S. economy cools down, investors look to emerging markets to offer growth opportunities. In China, investments have continued to grow.
Here is a two-way table showing enrollment data for full-time undergraduate students in U.S. colleges and universities. The entries are thousands of students:
Calculate the exact conditional probability analytically and compare it with the numerical results obtained through your MATLAB program.
Expand the above table to show the change in Ms A's investment portfolio over the year, and construct a suitable diagram to illustrate that information.
Suppose that an odd number of individuals have single-peak preferences. Explain why the most- preferred alternative of the median voter will defeat every other proposal by a majority votes
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