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According to U.S. government statistics, mononucleosis (mono) is four times more common among college students than the rest of the population. Blood tests for the
According to U.S. government statistics, mononucleosis (mono) is four times more common among college students than the rest of the population. Blood tests for the disease are not 100% accurate. The following table shows the number of students who came to a school's health center complaining of tiredness, a sore throat, and slight fever. Has Mono Doesn't Have Mono Totals Positive blood test 72 4 76 Negative blood test 8 56 64 Totals 80 60 140 A student is selected from this group. Use the table to determine the following: a. The probability that the student has mono, given that the test is positive is _________________________________________. b. The probability that the test is negative, given that the student does not have mono is _________________________________________. If P(E) = 0.1, P(F) = 0.1, and E and F are mutually exclusive, find P(E or F). A. 0.4 B. 0.2 C. 0.1 D. 0 A bag contains 5 pennies, 3 dimes, and 7 quarters. If one coin is chosen at random, find the probability of selecting a dime. A. B. C. D. 1
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