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Question: Suppose that you are seated next to a stranger on an airplane and you start discussing various topics such as where you were born (what state or country), what your favorite movie of all time is, your spouse's occupation, and so on. For simplicity, assume that the probability that your details match for any given topic is 1/50 and is independent from one topic to the next. If you discuss 10 topics, how surprising would it be to find that you match on at least one of them?
The "Visit Europe" travel agency specializes in arranging trips to European cities. A customer, Judy, is interested in information on three cities:
researchers studied the effects of adding an exercise program to dieting in the achievement of weight loss. a sample of
Create a 99 percent confidence interval for mean daily intake of milk. You may suppose daily intake amounts are usually distributed.
When using the normal distribution (empirical rule) to obtain the bounds for 99.73 percent of the value in a population, the interval generally will be ______the interval obtained for the same percentage if Chebyshev's theorem is assumed., shorter..
Run a simple linear regression of these five pairs of numbers and estimate a linear relationship between income and percentage growth in wealth.
The mean value of her net gain/loss will again be $2000? What if she repeats the experiment 10 times? Respond to at least two of your classmates' postings.
the probability that a household is both prosperous and educated is P (A and B) = 0.082. What is the probability P (A or B) that the household selected is either prosperous or educated.
If the component lifetimes are independent uniform (0,1) random variables, determine the probability that the system life will be less than ½ .
Letp1 be the true mean range of the manufacturer's cordless telephone and p2 be the true mean range of the competitor's cordless telephone.
The following data represent the performance of a constant-proportion debt obligation (CPDO), executed on October 10, 2006, from that day until March 10, 2007.
Suppose X is a discrete random variable that takes on a finite number of values. Prove the variance computation formula.
the mean per capita consumption of milk per year is 113 liters with a variance of 576. if a sample of 193 people is
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