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Let A be the event that a student is enrolled in an accounting course, and let S be the event that a student is enrolled in a statistics course. It is known that 30% of all students are enrolled in an accounting course and 40% of all students are enrolled in statistics. Included in these numbers are 15% who are enrolled in both statistics and accounting. A student is randomly selected, and it is found that the student is enrolled in accounting. What is the probability that this student is also enrolled in statistics?
A factory employs several thousand workers, of whom 20% are Hispanic. If the 20 members of the union executive committee were chosen from the workers at random, the number of Hispanics on the committee would have the binomial distribution with n =..
Assume we interview 150 people and ask them the mileage on their car. If we assume that the population mean mileage is 100000 miles, with a population standard deviation of 30000 miles, what does the Central Limit Theorem tell us about the distrib..
A decision maker who is considered to be a risk taker is faced with this set of probabilities and payoffs. Rank the decision alternatives onthe basis of expected value.
I am having some difficulty figuring out how to work out this problem. I am finding it impossible to get one of the below answer choices. I need to express the answer in the form of a + bi:
Two angles are complementary. The measure of one angle is 1 1/2 times the measure of the other. Find the measure of each angle.
One of the students in my class was absent the day of the test. The teacher announced that the class average for the 24 students who took the test was 75%.
Approximately how far apart are the ends of the two sections when the bridge is fully opened? (Round your answer to the nearest whole number.)
Calculate the test statistic.
a statistics teacher plans classes so carefully that the lengths of her classes are uniformly distributed between 45.0 and 55.0 minutes. Find the probability that a given class period runs less than 50.75 minutes.
Two tracking stations are on the equator 134 miles apart. A weather balloon is located on a bearing of N 38°E from the western station and on a bearing of N 19°E from the eastern station. How far is the balloon from the western station? Round to t..
Last season, a pair of jeans cost $44.95. This season, the price of the jeans increased by 15 percent. Later in the season, the jeans were put on sale for 15 percent off.
A boat tied up at a dock bobs up and down with passing waves. the vertical distance between its high point and its low point is 1.8m and the cycle is repeated every 4 s. what is the sinusoidal equation?
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