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A missile guidance system has five fail-safe components. The probability of each failing is 0.05. Find these probabilities.
A) Exactly two will fail.
B) More than 2 will fail.
C) All will fail.
D) Compare the answers for parts A, B, and C, and explain why these results are reasonable.
a sample of 16 items provides a sample standard deviation of 9.5. test the following hypotheses using a .05.? 0 s 2
Project was estimated by using ADM/PERT analysis. Due to extensive length of project many activities were combined; Following is the result.
Describe the data appear the strength of the relationship among variables is sufficient to warrant using linear regression forecasting.
Compute the minimum sample size required assuming that no prior information is avaiable?
Assume you have the following data: H1: µ ? 200, S =30, n = 64, and X =218. Conduct a two tailed hypothesis test at the 0.05 significance level.
Determine the maximum error of the estimate, E. Determine the confidence level used for the given confidence interval.
For a sample of 11 independent observations from a normal distribution of unknown μ and unknown variance σ 2 , the sample mean is 74.6 and sample variance is 2.2. What is the lower point of the 90% confidence interval for μ?
Formulate a linear programming model for this problem.
consider two random variables x and y. suppose that the variance of x is 20 that this of y is 10 and that the
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What is the value of the sample mean resonance frequency? The confidence level for one of these intervals is 90% and for the other it is 99%. Which is which, and how can you tell?
Determine what analysis would you do on each problem (ie, one-sample z-test, one-sample t-test, proportion test, two-sample independent t-test, or paired test)?
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