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In Fairfax County, 6% of drivers are under 21. Last year 20 % of the drivers who are under 21 had an accident. On the other hand, only 5 % of the drivers who are 21 or older had an accident last year. A driver is chosen at random from Fairfax County.
Draw a tree with the probabilities labeled on the branches to illustrate this experiment.
a. Find the probability that the chosen driver had an accident last year.
b. Given that the driver had an accident last year, find the probability that he is under 21.
c. Given that the driver did not have an accident last year, find the conditional probability that he is 21 or older.
the formulab=32a is used New England, to estimate the minimum furnace output,b, in BTU's for a modern house with a square feet of flooring. Determine the minimum furnace output for a 2100ft 2 modern house.
obtain generate a random sample of 180 numbers between 1 and 60. you may use a calculator excel or a table of random
A golf bag contains 6 white balls and 8 yellow balls. What is the probability of each event?
Write a system of inequalities for the shaded region described. The shaded region is a rectangle with vertices at (2,1),(2,4),(6,4),and (6,1).
a professor at a community college claims that a college algebra student can increase his or her score on an exam if
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paste match sticks above for doding and answer on the three vertices of triangle. you will find number of small triangles in the spectacular triangle.
find that the sample mean is 78 strokes with a sample standard deviation of 4 strokes. At the .05 level should you believe Melvin or have him barred from the country club?
A rectangular box without a lid is to be made from 12 square meters of cardboard. find the maximum volume of such a box.
For the problem, refer to the linear transformation T: R^3 --> R^3 given by T(x) = T(x, y, z) = (2x + 2z, x - y + z, 2x + 2z). Write the change of basis matrix K from the basis F of R^3 which consists of the eigenvectors
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