Find the indicated probability.The following contingency table provides a joint frequency distribution for the popular votes cast in the 1984 presidential election by region and political party. Data are in thousands, rounded to the nearest thousand. Political Party
A person who voted in the 1984 presidential election is selected at random. Compute the probability that the person selected was in the West and voted Republican.
A. 0.588
B. 0.115
C. 0.196
D. 0.781
Answer: B
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A. parallel B. perpendicular C. neither
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What will be an ideal response?
Solve the problem.Suppose the amount of a radioactive element remaining in a sample of 100 milligrams after x years can be described by A(x) = 100e-0.01322x. How much is remaining after 33 years? Round the answer to the nearest hundredth of a milligram.
A. 43.63 milligrams B. 64.64 milligrams C. 154.69 milligrams D. 0.65 milligrams
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A. 0.53 B. 0.01 C. 0.66 D. 0.81