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The Business department has eight faculty members, six of whom are tenured. Dr. Smith, the chairman, wants to establish a committee of three department faculty members to review the curriculum. If he selects the committee at random:
a) What is the probability all members of the committee are tenured? (Round the final answer to 4 decimal places.)
b) What is the probability that at least one member is not tenured? (Hint: For this question, use the complement rule.) (Round the final answer to 4 decimal places.)
(a) Compute the exponentially smoothed forecast of calls for each week. Assume an initial forecast of 50 calls in the first week and use a=0.01. What is the forecast for the 25th week?
Do the six measurements present sufficient evidence to indicate that the average weight of the diamonds produced by the new process is in excess of 0.5 karat?
What is the median lifetime of these phones (in years)? In addition to selecting one of the multiple choice answers, describe what you did step-by-step to arrive at a solution.
Thirty randomly selected students took the calculus final. If the sample mean was 79 and the standard deviation was 8.5, construct a 99% confidence interval for the mean score of all students.
What are the two variables in this study? Which one is the independent variable and which is the dependent variable? How do you know? Explain briefly.
A corporate CEO reviews the earnings of three divisions over the last eighteen months. Each division reports its earnings quarterly.
a simple random sample of 40 salaries of ncaa football coaches as a mean of 415953 and a standard deviation of 463364.
Question: The logistic equation is commonly used to model growth phenomena in biological populations: Y = (L/(1+e^-a(x-b)), where Y is the response
The diameters of oranges in a certain orchard are normally distributed with a mean of 5.26 inches and a standard deviation of 0.500 inches.
Containment in the Cold War was a means of curtailing Soviet Communism. What parallels, if any, do you see with the current Russian expansion.
State the alternative hypothesis that would be used to determine if Brand A has a higher proportion of defective smoke detectors than Brand B. Calculate the test statistic for determining if a difference exists between the failure rates of the two..
a. State the null and alternative hypotheses to be tested. b. Compute the test statistic. c. The null hypothesis is to be tested at 95% confidence. Determine the critical value(s) for this test.
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