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A particular intersection in delaware is equipped with a surveillance camera. The number of traffic tickets issued to drivers passing through the intersection and averages 4.5 per month.
a) What is the probability that 7 traffic tickets will be issued at the intersection next month?
b) What is the probability that less than 3 traffic tickets will be issued at the intersection next month?
c) What is the probabiltiy that 5 or more traffic tickets will be issued at the intersection next month
A researcher measures a response variable Y and explanatory variable X on each of several objects. A scatterplot of the measurements is as follows.
Write down the differential equations which describe the probabilistic behavior of the unit in time as a Markov process.
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A sociologist claims that the success of students in college (measured by their GPA) is related to their family's income. For a sample of 20 students, the coefficient of correlation is 0.40. Using the 0.01 significance level
Events A and B are mutually exclusive events defined on common sample space. If P (A) 0.5 and P (A or B) = 0.70, determine P (B).
suppose we rolled a pair of fair dice and count the number of dots located and the face that lands up. describe this
If the manufacturer sells the parts in packages of 10 parts, what are the mean and standard deviation of the number of useable parts in a package?
What percentage of normal and healthy adults would be considered to have a fever? Does this percentage suggest that a cutoff of 100.6 °F is appropriate?
X is a continuous random variable uniformly distributed on [20, 45] that is, the end points c = 20 and d = 45.
An extended-life light bulb claims the bulb has an average life of 12,000 hours, with a standard deviation of 500 hours. If the distribution is bell shaped and symmetrical
what is the coefficient of determination? if an r0.8 what is the coefficient of
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