Use a Venn diagram to find the indicated probability.Suppose P(R) = 0.45, P(S) = 0.67, and P(R ? S) = 0.34. Find P(R ? S').
A. 0.66
B. 0.33
C. 0.11
D. 0.32
Answer: C
Mathematics
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Add.(x3y2 + 5x2y3 - 2xy - 3) + (x2y3 + 7x3y2 + 5xy + 4)
A. 8x3y2 + 6x2y3 - 2xy + 1 B. 6x3y2 + 6x2y3 + 3xy + 1 C. 8x3y2 + 6x2y3 + 3xy + 1 D. 2x3y2 + 12x2y3 + 3xy + 1
Mathematics
Find the mode or modes (if any).During an experiment, the following times (in seconds) were recorded: 5, 9, 98, 3, 2, 8, 25, 1, 4, 16.
A. 16.5 sec B. 8 sec C. 9 sec D. no mode
Mathematics
Solve the inequality. Express your answer in set notation.x2 < 4
A. {x| -2 ? x ? 2} B. {x| x < -2 or x > 2} C. {x| x < 2} D. {x| 2 < x < 2}
Mathematics
In a survey of the number of DVDs in a house, the table shows the probabilities. 
Find the probability of a house having 1 or 2 DVDs.
A. 0.57 B. 0.83 C. 0.38 D. 0.95
Mathematics