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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Solve the problem. Assume that simple interest is being calculated in each case. Round the answer to the nearest cent unless otherwise indicated.John forgot to pay his $400.00 income tax on time. The IRS charged a penalty of 5% for the 56 days the money was late. Find the penalty that was paid. (Use a 365 day year.)
A. $3.07 B. $3.01 C. $0.33 D. $403.07
Solve the problem.Refer to the following preference schedule.
Find the plurality winner.
A. B B. D C. A D. C
Solve.Suppose that you are planning a trip to England so you need to obtain some British pounds. The amount received in pounds varies directly with the amount in U.S. dollars. Your friend just converted $1900 into 988 pounds. The linear function that relates the number of pounds P to the number of U.S. dollars d is 
Graph the relation between pounds and U.S. dollars.
A. 
B. 
C. 
D. 
Simplify the expression.
?
?
Your answer should be a radical expression.
What will be an ideal response?