Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438
B. 0.487
C. 0.91
D. 0.856
Answer: B
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Use both the addition and multiplication properties of inequality to solve the inequality. Graph the solution set on a number line.4x + 9 < 29
A. (-?, 5]
B. [5, ?)
C. (-?, 5)
D. (5, ?)
Write an algebraic expression for the quantities being compared.The first angle of a triangle is triple the third angle. The second angle of a triangle is 39 degrees less than the third angle.
A. first angle = 3x + 39 second angle = x - 39 third angle = x B. first angle = 3x second angle = x - 39 third angle = x C. first angle = x second angle = x - 39 third angle = 3x D. first angle = x - 39 second angle = 3x third angle = x
Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one
Find the limit or state that it does not exist.
A. -1 B. 5 C. -5 D. Does not exist