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
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Expand the expression using the Binomial Theorem.(x + 5)5
A. x5 + 25x4 + 250x3 + 1250x2 + 3125x + 5 B. x5 + 25x4 + 500x3 + 2500x2 + 3125x + 3125 C. x5 + 25x4 + 500x3 + 2500x2 + 3125x + 5 D. x5 + 25x4 + 250x3 + 1250x2 + 3125x + 3125
In voting among three candidates, the outcomes are reported as: (ABC) (ACB) (BAC) (BCA) (CAB) (CBA) 6 6 4 1 2 6 ? What does the notation (ABC) mean?"(ABC)" means that the voter ranks three candidates in the order of __________ first, __________ next, and candidate __________ last.
What will be an ideal response?
Solve the problem.Shelly can cut a lawn with a riding mower in 2 hours less time than it takes William to cut the lawn with a push mower. If they can cut the lawn in 6 hours working together find how long to the nearest tenth of an hour it takes for William to cut the lawn alone.
A. 11.2 hr B. 11.1 hr C. 13.2 hr D. 13.1 hr
Write the vector u as a sum of two orthogonal vectors, one of which is the vector projection of u onto v, projvu .u = 
, v = 
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 