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A random variable X has this probability distribution: x 0 1 2 3 4 5p (x) 0.1 0.3 0.4 0.1 ? 0.05 a. Find p (4). b. Find μ and σ. c. Calculate the interval μ ± 2σ. What is the probability that X will fall into this interval? d. If you were to select a very large number of values of X from the population, wouldmost fall into the interval μ ± 2σ? Explain
a survey from teenage research unlimited found that 30 of teenage consumers receive their spending money from part-time
That is, P (X = x1|θ1) = 0.1 or P (X = x2|θ3) = 0.4, and so forth. Suppose you observe X1; what is the updated prior? What is the Bayes decision?
assume that a simple random sample has been selected from a normally distributed population and test the given claim.
An experiment was carried out to assess the effects of four tomato varieties and four planting densities on yield. There were 64 plots, and each of the 16 factor combinations was randomly assigned to 4 plots
a. Is there evidence the mean amount is different from 1.0 gallon (alpha= 0.01)? b. Compute the p-value and interpret its meaning. c. construct a 99% confidence interval estimate of the population mean amount of paint.
If the purchase price for a tree is po = €30 which she then sells at ps = €50, assuming she cannot recover any value at all from any unsold tree, what is the quantity of trees she should purchase in order to maximize her expected pro..
The heights of children 2 years old are normally distributed with a mean of 32 inches and a standard deviation of 1.5 inches. Pediatricians regularly measure the heights of toddlers to determine whether there is a problem.
suppose that 13 of all steel shafts produced by a certain process are nonconforming but can be reworked rather than
consider a population consisting of ve values 1 3 3 5 7.a find the population mean.b list all possible samples of size
a clinical trial tests a method designed to increase the probability of conceiving a girl. in the study 562 babies were
draw profit diagrams for the following positionsa 1050- strike sampr straddleb written 950-strike sampr straddlec
Figure out the best means to calculate the reliabilty of our work load index ie a measure of work load per empolyee per hour - is there a statistical measurement i could use? i really need to verify the accuracy of this measurement.
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