Based on historical data, an Oregon university enrolls 17% graduates and 83% undergraduates. Of graduates, 21% are expected to be non-residents and 79% are residents. Of undergraduates, 24% are non-residents and 76% are residents.?During the 2008-2009 academic year, assume that the University of Oregon will enroll 23,500 total students. Of these, how many non-residents can they expect to enroll?Answer 5054 5520 5288 7533 607Based on over 800 housing prices collected at random from the city of Los Angeles, an investigator constructed a histogram and found that the distribution of housing prices was heavily skewed to the right. Which of the following statistics will best represent the center of this distribution?Standard deviation25th percentile50th percentilemodemeanTwo different sections of electricians took their state license test. the first section consisted of 75 applicants having an average score of 262 and a sample standard deviation of 35. they were journeyman, experienced electricians who were renewing their licenses. the second section consisted of 34 applicants with an average score of 233 and a sample standard deviation of 27. they were apprenticed electricians who were just beginning their careers.the distributions of scores during previous years have shown that licensing exam scores are normally distributed. Based on this information, which of the following best estimates the number of applicants that passed the test, if an applicant must score 200 or greater to pass?a) 102b) 84c) 159d) 148e)17A test designed to check for sickle-cell anemia has an 85% chance of detection in that, if a person has the disease, there is an 85% chance that the test will be positive. And, if the person does not have the disease, there is an 85% chance that the test will be negative. We also know that the proportion of people in the U.S. that has sickle-cell anemia is 0.00023.Suppose an individual is drawn at random from the population of the U.S., and that the individual tests positive for sickle-cell anemia using the test described above. What is the probability that the individual has the disease?0.150.00007660.850.00130.2499425Five coins all balanced the same were tossed 150 times. Note that, while the coins are all balanced the same, they may or may not be fair coins. Since five coins were tossed, the possible number of heads for each toss could be zero through five. The following table gives the number of tosses that yielded each of these six outcomes.Number of heads 0 1 2 3 4 5Number of tosses 15 37 62 28 8 0??Given these results, which of the following probabilities is most likely to be the chance of each coin flipping to a head?Answer 0.20 0.35 0.50 0.65 0.80
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