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Licence plates in Florida have the form A12BCD. That is, a letter followed by two digits followed by three more letters.
(a) How many possible different license plates are there?
(b) Jerry would like a plate that ends in AAA. How many such plates are there?
(c) If license plates are issued at random from all possible plates, what is the probability that Jerry will get a plate that ends in AAA?
The mean television viewing time for Americans is 15 hours per week (Money, November 2003). Assume a sample of 60 Americans is taken to further investigate viewing habits. Suppose the population standard deviation for weekly viewing time is Q = 4..
on a toss of a fair die a person wins 10 if 1 or 3 results loses 5 if 4 or 6 results wins 5 if 2 results and loses 10
Tthe amount is approximately normally distributed with a mean of 16 and a standard deviation of 1.5. What percent of the cups will have 15 oz or fewer?
Suppose it costs $2,500 to buy a defibrillator. Find the expected value of owning a defibrillator if there is a 4% probability that "Silver's Gym" will lose a lawsuit regarding its operation, with each lawsuit resulting in "Silver's Gym" being lia..
Enlarged to 14 measurements, by including two additional measurements having a common value of 40 each. Find the standard deviation of the sample of 14 measurements.
in the november 1990 issue of chemical engineering progress a study discussed the percent purity of oxygen from a
random number generation based on discretenbsp distribution.first american bank is trying to determine whether it
Hypothesis testing of single mean - The Wall Street Journal reported that the 30-year mortgage rate is now less than 6%.
A 12 ounce bottle of beer has 355 ml. The Random Brewing Company sets its machinery so that the contents of a bottle is normally distributed with a mean of 355.5 ml and a standard deviation of 1 ml. (The contents of a bottle are also independent from..
two companies market new batteries targeted at owners of personal music players. duratunes claims a mean battery life
A statistics practitioner conducted a two-factor analysis of variance experiment with a =4, b = 3, and r = 8. The sum of squares are listed here:
1. the following table represents the u.s. sources of electrical
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