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Assume that 12 jurors are selected from a population in which 50% of the people are Mexican-Americans. The random variable X is the number of Mexican-Americans
Find the z-score for each of the following X values. (Note: You should be able to find these values using the definition of a z-score
A Private firm reports that 8% of the 2 million small businesses who apply for loan each year receive special interest rate (usually higher than market rate)
With one method of a procedure called acceptance sampling, a sample is items is randomly selected without replacement and the entire batch is accepted
Marty's Barber Shop has one barber. Customers have an arrival rate of 5 per hour. Use the Poisson arrivals and exponential service times model
Suppose that four inspectors at a film factory are suppose to stamp the expiration date on each package of film at the end of the assembly line.
A candy company distributes boxes of chocolates with a mixture of creams, toffees and cordials. Suppose that the weight of each box is 1 kilogram
From a group of 18 customers, 4 are to be chosen to receive a special gift. Assuming that the order in which the customers are chosen is irrelevant
(Expected return and risk) Procter & Gamble is considering three possible capital investment projects. The projected returns depend on the future state
How many returns must he get in order to know the proportion that will support the bond issue within an error of 5% and a confidence level of 95%
Given the following information about motor vehicles, motor vehicle accidents and cost of repair for last year:
The file contains data obtained from 274 couples regarding their education level, annual salary, the value of the cars that they own, the value of their homes
A certain airplane has two independent alternators to provide electrical power. The probabilty that a given alternator will fail on a 1-hour flight is .02.
According to a recently conducted survey, 90% of all drivers in Trinidad and Tobago claim to consistently driver over the legal speed limit.
There is a fixed cost of $50,000 to start a production process. Once the process has begun, the variable cost per unit is $25
Let f(x) = 2e^(-(x-3)/c), 3 < x < infinity (zero otherwise) be a p.d.f. of a random variable X.
Simulate the emergency calls for 3 days, using a random number table.
Dynaco Manufacturing Company Produces A Product In A Process Consisting Of Operations Of Five Machines.
The Monty Hall problem is as follows: A contestant on a game show is given the opportunity to select one of three curtains on stage.
You possess a 'standard deck of playing cards' (n = 52).
A real estate investor has two houses: A and B. Each house may increase in value, decrease in value, or remain unchanged.
Determine whether the random variable is discrete or continous
Learning objectives: distinguish between discrete and continuous random variable; compute statistics about random variable; compute statistics
According to the U.S. Census Bureau, the mean household income in the United States in 2000 was $57,045 and the median household
There is a 20% probability of rain tomorrow means that: