A study was recently conducted at a major university to estimate the difference in the proportion of business school graduates who go on to graduate school within five years after graduation and the proportion of non-business school graduates who
attend graduate school. A random sample of 400 business school graduates showed that 75 had gone to graduate school while in a random sample of 500 non-business graduates, 137 had gone on to graduate school. Based on a 95 percent confidence level, what is the upper limit of the confidence interval estimate?A) 0.2340
B) 0.1034
C) -0.031
D) -0.018
Q. 2The expected monetary value approach selects the decision based on the highest average payoff.
Indicate whether the statement is true or false
Q. 3What is the standard deviation if the average fraction nonconforming of 0.83 is found from samples of constant size 100?
A) 0.038
B) 0.069
C) 0.050
D) 0.049
Q. 4Recently the State Fish and Game planted several thousand tagged fish in a local river. The mean length of these fish, which constitute a population, is 12.6 inches. Yesterday, fishermen caught 100 of these tagged fish.
You could expect that the mean length for these fish would be 12.6 inches as well since they come from the population. Indicate whether the statement is true or false
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