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
Mathematics
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Find the probability.In one town, 73% of adults have health insurance. What is the probability that 7 adults selected at random from the town all have health insurance?
A. 5.11 B. 0.11 C. 0.73 D. 0.096
Mathematics
Solve for the unknown in the equation.8 = 
- 9
A. W = 9 B. W = 122 C. W = 10 D. W = 119
Mathematics
Perform the conversion. Round to the nearest hundredth when necessary.6 km to mi
A. 5.68 mi B. 3.73 mi C. 6.36 mi D. 9.66 mi
Mathematics
Provide an appropriate response.A student was trying to solve the problem 2x(6x - 2) = 0. The student knew that he or she should set 
but was confused about whether to set 2x = 0, or 2 = 0 and x = 0. How would you advise this student?
What will be an ideal response?
Mathematics