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In this program, a tourist from outside Europe—most are from the United States—may purchase an automobile in Europe.
The number of people responding to a mailed information brochure on cruises of the Royal Viking Line through an agency in San Francisco.
Find two values of the normal random variable with mean 88 and standard deviation 5 lying symmetrically on either side of the mean and covering an area of 0.98.
If X is a normally distributed random variable with mean 120 and standard deviation 44, find a value x such that the probability that X will be less than x is 0
Find a point of the distribution such that there is a 0.85 probability that the value of the random variable will be above it.
Assume a normal distribution and a standard deviation of 2.5. If a company in emerging markets is randomly selected, what is the probability.
Based on the research of Ibbotson Associates, a Chicago investment firm, and Prof. Jeremy Siegel of the Wharton School of the University of Pennsylvania.
If the company wants to be 99% confident that the stock-out condition will not occur, what should be the reorder point? What is the safety stock in this case?
For a normal random variable with mean 19,500 and standard deviation 400, find a point of the distribution such that the probability.
If X is a normally distributed random variable with mean -61 and standard deviation 22, find the value such that the probability that the random variable.
Pierre operates a currency exchange office at Orly Airport in Paris. His office is open at night when the airport bank is closed.
The demand for high-grade gasoline at a service station is normally distributed with mean 27,009 gallons per day and standard deviation 4,530.
The percentage of protein in a certain brand of dog food is a normally distributed random variable with mean 11.2% and standard deviation 0.6%.
Private consumption as a share of GDP is a random quantity that follows a roughly normal distribution.
The daily price of coffee is approximately normally distributed over a period of 15 days with a mean in April 2007 of $1.35 per pound (on the wholesale market).
The daily price in dollars per metric ton of cocoa in 2007 was normally distributed with µ = $2,014 per metric ton and s = $2.00.
The manager of a restaurant knows from experience that 70% of the people who make reservations for the evening show up for dinner.
If 100 people are exposed to the ad, what is the probability that at least 20 of them will try the product in the following four months?
The number of votes cast in favor of a controversial proposition is believed to be approximately normally distributed with mean 8,000 and standard deviation.
Find two values of the standard normal random variable, z and -z, such that the two corresponding tail areas of the distribution.
What is the probability that the absolute value of the deviation from the north pole at a given moment will be more than 2.4?
What is the probability that I will have to wait more than 70 seconds for my call to go through?
Under the system of floating exchange rates, the rate of foreign money to the U.S. dollar is affected by many random factors.
Wine Spectator rates wines on a point scale of 0 to 100. It can be inferred from the many ratings in this magazine that the average rating is 87.
The weights of domestic, adult cats are normally distributed with a mean of 10.42 pounds and a standard deviation of 0.87 pounds.