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Let Y be a random variable independent of all the X j , with E |Y | <>∞. Let Uj := Y + Tj for j = -1, -2,... . Let Ck be the smallest σ-algebra for which Uj is measurable for all j ≤ k. Show that {Uk, Ck }k≤-1 is a reversed martingale and find its limit as k → -∞. Let C-∞ := nk≤-1 Ck . Is Y equal a.s. to a variable measurable for C-∞?
Suppose that the probability distribution of a random variable x can be described by the formula. Calculate the variance and standard deviation.
An applicant needs a minimum combined score of 1400 to gain admission and what percentage of applicants have combined GRE scores between 1200
The z-score of 1.33 tells you that Eric's time to get to work is 1.33 standard deviations from the mean.
In a certain pediatric population, systolic blood pressure is normally distributed with mean 115 mm Hg and standard deviation 10 mm Hg. Find the probability that a randomly selected child from this population will have:
Use the method of least squares to model the relationship between x and y.
The entire shipment is accepted if only one or non of the tablets is defective. If the defect rate is 5% then what is the probability that the shipment will be accepted?
Can we conclude at the 5% significance level that the population mean weight of athletic men is lower than the population mean weight of non-athletic men?
When making the histogram from frequency table, (a) what goes along the bottom, (b) what goes along the left edge, and (c) what goes above each value?
the height of the water level in mineral water bottles has a mean of 140 mm and a standard deviation of 4 mm. assume
What are the characteristics of standard normal distribution? The HR department of an organization collects data on employees' age, salary, level of education, gender, and ethnicity. Which data do you think is more likely to follow normal distribu..
What are the mean and the standard deviation of the number of firms that purchase a Unix machine from Sun Microsystems?
A random sample of 900 workers in a particular city found 342 workers who had full health insurance coverage. Find a 95% confidence interval for the true percent of workers in this city who have full health insurance coverage.
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