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Assume that 50 percent of the students at the university have taken 4 years of high school math. Of those with four years of high school math, 80 percent plan to major in science. Of those without 4 years, only 20 percent plan to major in science. You stop a student at random.
1) If the student plans to major in science, what is the probability that this student had four years of high school math?
the probability is 1 in 4 million that a single auto trip in the US will result in a fatality. Over a lifetime, an average driver takes 50,000 trips. What is the probabiltiy of a fatal accident over a lifetime. Explain.
What is the level of measurement for these items related to the newspaper business?
two independent samples of size 20 each are taken to test for a difference in the corresponding population means. the
What were the fiscal Policies during Harry S Truman's presidency?
Given that development is successful, for what endpoint values for a large market does developing the battery have a lower EMV than not developing the battery?
In an automatic geolocation system, a dispatcher sends a message to six trucks in a fleet asking their locations. The waiting times for responses from the six trucks are iid exponential random variables, each with expected value 2 seconds.
Will the sum of squared deviation scores be greater for the test or the exam (assume the same number of people sat both the test and the exam)? Why?
a random variable is normally distributed with a mean of 25 and a standard deviation of 5. if an observation is
if the z-score of the standirez test statistic is z.529 then is there significant difference between the defect rates
Frank, George and Henry formed a partnership to produce computer software. Last year, Henry retired and Ian replaced him in the partnership. Because of Ian's negligence, a faulty software package has caused considerable damage to a customer's com..
Items are selected and tested in succession. Under the usual assumptions for Bernoulli trials, what is the probability the third satisfactory unit?
Using the class listing of confidence intervals, count how many of them contain the population mean µ; i.e., for how many intervals does the value
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