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A bag contains r balls, of which 2 are red and r - 2 are black. We draw a ball at random, we write down its color, and we put it to one side (not back in the bag). We repeat the procedure r times.Let X be the number of draws needed to obtain a red ball, and let Y be the number of draws needed to obtain a second red ball.
a. Find the probability law of the vector (X,Y) , and find its marginals.
b. Evaluate Cov(X,Y) .
a california university is investigating expanding its evening programs. it wants to target people between 25 and 55
when determining the sample size needed to achieve a particular error estimate you need to know sigma. what are two
It has been hypothesised that the probability of having an asthma attack on a particular day may vary across the days of the week. Baibergenov et al. (2005) report a longitudinal study in which the number of emergency department admissions due to ..
The data from the drive quality tests conducted at DataStor over the past 150 shifts are contained in the file DATASTOR. The Data Description section contains a description of this data file
assume x is normally distributed with a mean of 10 and a standard deviation of 2. determine the followinga px lt 31b
suppose that the company currently has 180 units in stock, and it will not be receiving any further shipments from its supplier for at least 3 weeks. What is the probability that the company will run out of units?
what is the concept of normal distribution and analyze why it is a widely used probability
suppose you hear anold-timer say why in my day kids were much more respectful and didnt caue as much trouble as they do
If the number of trials during each experiment is 12, determine the maximum likelihood estimate for the probability of success, p.
What would you recommend to Mary Smith, and why - Mary Smith is the Manager of Market Intelligence for Acme Automotive Accessories (AAA) Corporation, a $500 million manufacturing company traded on the NYSE.
Distribution and the method of moments estimators of the parameters are alpha(hat)= 5.23 and lambda(hat) = 21.3. Find an asymptotic 95% confidence interval for alpha.
can someone please help me with this question this will be similar to a question on my exam so if you could tell me how
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