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1. RELIABILITY OF 2-COMPONENT PARALLEL SYSTEM
Obtain an explicit expression for the reliability of a system consisting of a parallel arrangement of two components, C1 and C2 , with respective reliabilities, R1 and R2. Explain in words what the expression for the system reliability means in terms of the status of each component.
2. RELIABILITY OF 2-COMPONENT AND 4 COMPONENT PARALLEL SYSTEMS
If two of the identical components of Example 21.1 are now arranged in parallel (instead of in series), ?rst obtain the system reliability for this 2-component parallel con?guration. If two more identical components are added in parallel, obtain the system reliability for the resulting 4- component parallel con?guration.
The sample data are summarized by the statistics n = 27, x = 4.6 years, s- 1.9 years.
a market researcher for an automobile company suspects differences in preferred color between male and female buyers.
q1. calculate each of the following values for the data set below assume it is a population.3.42 4.10 4.15 4.19 4.26
One of the most important uses of a correlation is its potential use in_________
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Among 9 electrical components exactly one is known not to function properly. If 3 components are randomly selected, find the probability that all selected components function properly.
What value is business research and hypothesis testing to a company? What is the "perfect" standard normal distribution? Explain your answer.
a national study that examined attitudes about antidepressants revealed that approximately 70 of respondents believe
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