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1. What is the difference between a marginal probability and a joint probability?
2. It is possible to have a sample space in which P(A) = 0.7, P(B) = 0.6, and P(A and B) = 0.35. Given this information, would events A and B be mutually exclusive? Would they be independent?
There are 4000 mangoes in a shipment. It is found that it a mean weight of 15 ounces with a standard deviation of 2 ounces.
Find the equation of the regression line. What is the predicted value when x = 4? Is the correlation significant at 5% significance level (95% confidence level)? Why or why not?
Given that the price-to-earnings ratios are uniformly distributed, answer the following questions. What percent of price-to-earnings ratios are between 1.90 and 2.48?
A multiple linear regression has been performed using four independent random variables, X1, X2, X3 and X4. The regression output is:
A final exam in Statistics has a mean of 73 with a standard deviation of 7.73. Assume that a random sample of 24 students is selected and the mean test score of the sample is computed. What percentage of sample means are less than 70?
Describe the state Ottoman Empire before War World One. If the Ottoman Empire had remained neutral would the mandate system have been established? What was the extent of European influence in the Middle East both before and after War World One?
Assume that the van der Waals equation of state (P + a/v2)(v - b) = RT gives the correct Kelvin temperature T. Use the van der Waals equation of state to derive an expression that relates the difference T - Θ to P and v.
during a test period an experimental group of 10 vehicles using an 85 ethanol-gasoline mixture showed mean co2
In a subway station, there are exactly enough customers on the platform to fill three trains. The arrival time of the nth train is X1 + ··· + Xn where X1, X2,... are iid exponential random variables with E[Xi] = 2 minutes.
What percentage of workers spend more than 100 hours on the internet?A person is classified as a heavy user if he or she is in the upper 20% of usage. how many hours did a worker have to be logged on to the internet to be considered a heavy user?
What is the probability that 25% or fewer male employees will indicate that they have to pick up the slack for moms working flextime?
consider two independent random variables xsub1 and xsub2 having the same cauchy distributionfx1pie1x2 for negative
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