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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Classify by type (cardinal, ordinal, or nominal) the number that appears in the sentence.The physician prescribed five different types of pills for Aunt Martha.
A. Nominal B. Cardinal C. Ordinal
Use the accompanying graph of y = f(x) to sketch the graph of the indicated equation.y = f(x + 4)
A. 
B. 
C. 
D. 
Find the slope of the line passing through the pair of points or state that the slope is undefined.(6, 1) and (-4, -1)
A. 
B. 0
C. 5
D. - 
Solve the problem.List all the ordered arrangements of 4 objects 1, 2, 3, and 4 choosing 3 at a time without repetition. What is P(4, 3)?
A. 123, 124, 134, 234 P(4, 3) = 4 B. 123, 124, 132, 134, 142, 143, 213, 214, 231, 234, 241, 243, 312, 314, 321, 324, 341, 342, 412, 413, 421, 423, 431, 432 P(4, 3) = 24 C. 111, 112, 113, 114, 121, 122, 123, 124, 131, 132, 133, 134, 141, 142, 143, 144, 211, 212, 213, 214, 221, 222, 223, 224, 231, 232, 233, 234, 241, 242, 243, 244, 311, 312, 313, 314, 321, 322, 323, 324, 331, 332, 333, 334, 341, 342, 343, 344, 411, 412, 413, 414, 421, 422, 423, 424, 431, 432, 433, 434, 441, 442, 443, 444 P(4, 3) = 64 D. 123, 124, 132, 142, 143, 213, 214, 231, 241, 243, 312, 314, 321, 341, 342, 412, 413, 421, 423, 431 P(4, 3) = 20