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An aircraft repair facility currently has four jobs awaiting work. Four teams of mechanics are available. Each team can work on only one of the jobs. Over a period of several months the manager has evaluated the repair teams in a variety of jobs. Evaluations are based on 100 being the maximum evaluation possible. The teams and their ratings for the available jobs are given in the table below. Based on these ratings determine the assignment of teams to jobs that will maximize the overall rating.
Team Job1
2
3
4
O-420 overhaul
40
60
80
50
Landing gear strut repair
30
70
Control system overhaul
90
Hydraulic system repair
20
Political polls typically sample randomly from the U.S population to investigate the percentage of voters who favor some candidate or issue.
Hypotheses - List the statistical notation and written explanations for the null and alternative hypotheses for the study. Variables - Identify the variables and each of their attributes: discrete or continuous, quantitativ..
Discrete-time model for an economy
a. If the two products are introduced to the market, what is the probability that both are failures? b. What is the probability that first or the second products are failures? c. What is the probability that neither is a failure?
Let D be the parallelogram with vertices (0, 0), (1, 2), (2, 2), (3, 4) - Evaluate double integrals to find the volume
Give an NFA with minimum number of states for the following language with the alphabet A, the first input to the NFA will be the left-most letter of the string
Describe R by listing the ordered pairs in R and draw the digraph of this relation. Is this relation a partial order? Explain. If this relation is a partial order, draw its Hasse diagram.
Suppose you are a sociologist in Rock Springs, Wyoming, and a random sample of police files showed that of 38 arrests last month, 26 were of males aged 15 to 34 years. Use a 1% level of significance to test the claim that the population proportion..
The mean incubation time of fertilized chicken eggs keep at 100.5oF in a still-air incubator is 21 days. Suppose that the incubation times are approximately normally distributed with standard deviation of 1 day. If you are taking 400 random sample..
A researcher hypothesizes that the variation in the amount of money spent on business dinners is greater than the variation of the amount of money spent on lunches. The variance of nine business dinners was $6.12 and the variance of 12 business lu..
Find the inverse Laplace transform and find the inverse Laplace transform and evaluate the given integral.
The question to address is: "What have you learned about statistics?" In developing your responses, consider - at a minimum - and discuss the application of each of the course elements in analyzing and making decisions about data (counts and/or me..
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