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suppose there are 10 multiple choice questions on a quiz. each question is a,b,or c. you decide to guess the correct answers by random choosing one of the three choices. describe a simulation to estimate the probability of answering at least four of the ten questions correctly. carry out three repititons. estimate the probability.
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A coin was flipped 100 times and came up heads 59 times and tails 41 times. The expected outcome was to land on heads or tails 50 times each.
Describe how a domestic fast food chain with plans for expanding into China would be able to use a forecasting model.
The samples do indicate that university A's students are younger than university B's; but is the difference significant at the 1% level?
Determine the probability that adult owns stock and has some college education? Determine the probability that adult owns stock or has some college education?
What is the probability that none of the next eight customers who order beer will order light beer? What is the probability that one customer will? What is the probability that two customers will?
How many jackets should the store owner order if she wants to maximize her expected profit?
Incomes in the thousands of dollars were sampled in one region, they are as follows (1.5, 3.0, 4.2, 5.6, 2.6, 4.1, 0.9, 5.7, 5.4, 2.6) Assume the population is normal.
The use of linear regression is a critical tool for a manager's decision-making ability. Please carefully read the example below and try to answer the questions in terms of the problem context.
At the 0.05 level of significance, using the critical value approach, is there evidence to suggest that the new mathematical model has improved process performance?
When combining probabilities, to find the probability of one event AND another event, the separate probabilities should be
The value of the z score in a hypothesis test is influenced by a variety of factors. Assuming that all other variables are held constant explain how the value of z is influenced by each of the following: (a) increasing the difference b/w the sampl..
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