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A license plate has six characters. Three characters are letters, two characters are numbers (0-9), and one character is a letter or a number. The letters and numbers can repeat. NOTE: There are 26 letters in the alphabet.
How many different license plates can be made?
Answer plates
What is the probability of getting a plate with ABC123 or 123ABC?
P(ABC123 or 123ABC) = Answer (Enter as a reduced fraction using / for the fraction bar.)
control chart for x bar is maintained on a quality characteristic which is normally distributed.the sample size is n4.
You had calculated the following measures of central tendency: the mean, the median, and the mean trimmed 25%. Which of these measures of central tendency will change when you correct the recording error?
What is the probability that a random person has an IQ between 85 and 115? Find the 90th percentile of the IQ distribution.
The following graph plots the gas mileage (miles per gallon) of various cars from the same model year versus the weight of these cars in thousands of pounds.
The procedure used to obtain your sample (i.e., random or nonrandom sampling) is not the same as the procedure for assigning participants to conditions; distinguish between random sampling and random assignment.
A fair quarter is flipped 5 times. Compute the requested probabilities. Round your answers to four decimal places.
In particular, many did not like the government's actions in salvaging the auto industry in providing guaranteed loans to GM and Chrysler.
A foreman has ten employees from among whom he must select four to perform a certain undesirable task. Three of the ten employees belong to a minority ethnic group.
At a certain men's college the probability that a student selected at random on a given day will require a hospital bed is 1/5000. If there are 8000 students
An experiment produces random vector X = [X1 ··· Xk]' with expected value µX = [µ1 ··· µk]' The ith component of X has variance Var[Xi] = σ2i . To estimate µX, we perform n independent trials such that X(i) is the sample of X on trial i, and we form ..
According to the Bureau of Labor Statistics (1996), the average price of a gallon of gasoline in all U.S. cities in the United States in January 1996 was $1.129. A later random sample in 24 cities found the mean price to be $1.24 with a standard d..
Assuming that these results are sample data randomly selected from the population of all past and future Olympic games
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