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Suppose we are allowed to observe a random process Z (t) t at two points in time, and t0 and
Based on those observations we would like to estimateZ (t) at time where We can view this as an interpolation problem. Let our estimator be a linear combination of the two observations,
(a) Use the orthogonality principle to find the MMSE estimator.
(b) Find an expression for the mean square error of the MMSE estimator.
the time it takes a cell to divide called mitosis is normally distributed with an average time of one hour and a
Probability using Pareto chart - Evaluate the probability of randomly selecting an adult from the sample who doesn't always eat healthy foods because he or she has no time to cook or is confused about nutrition.
Has anything changed between 1936 and now that would make you believe that the approach used by the Literary Digest would work better today?
Explain what is meant by subjective probability. Research the Internet, and provide a business-related example in which subjective probability assessment would likely be used (be sure to cite your sources).
Are there other methods besides ANOVA that can be used to evaluate whether the difference in means between TWO OR MORE samples is significant?
Suppose a fair coin is tossed 100 times. Is it more likely that you will get exactly 50 heads or that you will get more than 60 heads? Suppose a fair die is rolled 60 times. Is it more likely that you will get at least 20 sixes or that you will sc..
A local consultant randomly selects a sample of 36 meals whose mean price is determined to be $8.75. Assuming that σ = $0.75, calculate a 95% confidence interval for the population mean price.
The following time series data represent the yearly amounts spent on advertising (in millions of dollars) by a large toy company:
Does age make a difference in the amount of savings a worker feels is needed to be secure at retirement? Suppose 210 workers in the 25-33 age category and 176 workers in the 34-52 age category were involved in this study.
suppose you flip a fair coin 10 times and it results in 1 tail and 9 heads. if you toss that coin again what is the
if you assume returns follow a normal distribution, which investment has a better chance of giving you $40 million in returns.
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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