Evaluate the expression.
A) x
B) -1
C) -x
D) 6
E) 1
B) -1
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Find the probability. Round to the nearest ten-thousandth when necessary.A bag contains 6 cherry, 3 orange, and 2 lemon candies. You reach in and take 3 pieces of candy at random. Find the probability that you have one candy of each flavor.
A. 0.3636 B. 0.1818 C. 0.0667 D. 0.2182
Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Subtract.(3.3j3 - 6.0j2 - 3.5j - 3.3) - (-9.7j3 + 3.8j2 - 8.6j - 4.6)
A. 13j3 - 9.8j2 + 5.1j + 1.3 B. -6.4j3 + 9.8j2 + 5.1j + 1.3 C. 13j3 - 9.8j2 - 5.1j + 7.9 D. 13j3 + 9.8j2 + 5.1j + 1.3
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