Answer the question.Consider the numbers 15, 
, -24, 0, 
, 
, 
, 0.23. Which are rational numbers but not integers?
A. 
, 0.23
B. 
, 0.23
C. 0, 
, 0.23
D. 0.23
Answer: D
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Evaluate the expression.
A. 6
B. 2
C. 2
D. 
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
Simplify.23 + 17 ? 30
A. 421 B. 533 C. 1200 D. 70
Solve the problem by estimating.In 1999, the population of Capital City was 8,185,831 and the population of Spring City was 3,812,652.. Round each population to the nearest hundred-thousand to estimate the difference in the populations of the two cities.
A. 4,300,000 B. 4,373,000 C. 4,500,000 D. 4,400,000