Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000
B. $360,000
C. $60,000
D. $218,400
Answer: D
Mathematics
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Is the following a statement? What is its truth value?Spain is in Asia.
A. Not a statement. The sentence cannot be answered true or false. B. Statement. The truth value is true. C. Statement. The truth value is false.
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In a chemistry class, the following test scores were recorded for a student: 79, 76, 74, 73, 82, 78. Find the mean, median, and mode for the data.
A. mean: 77, median: 73, mode: 82 B. mean: 76, median: none, mode: none C. mean: 78, median: none, mode: 82 D. mean: 77, median: 77, mode: none
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Insert <, >, or = to make the statement true.-7 _____ 0
A. = B. < C. >
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Construct a truth table for the statement.~(s ? t) ? ~(t ? s)
A. 
| T | T | F |
F T F
F F T
B.
| T | T | F |
F T T
F F F
C.
| T | T | F |
F T T
F F F
D.
| T | T | F |
F T F
F F F
Mathematics