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. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?
A. $180,000
B. $300,000
C. $270,000
D. $239,400
Answer: D
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A. m = - 
; (0, 
)
B. m = -1
; (0, 
)
C. m = 
; (0, 
)
D. m = 1
; (0, 
)
Solve the problem. If necessary, round to the nearest tenth, unless intructed otherwise.This year, 330 students have signed up for a general education class at the local college. The college administrators know that a certain number of transfer students, x, will also sign up for the course. They want to know how many sections of the course there will have to be. If there can only be 34 students per section, write a formula for the number of sections, N, needed.
A. N = 
B. N = 
C. N = 
D. N = 
Use identities to find the exact value of the function for the given value.sin ? = - and ? is in quadrant IV; Find csc ?.
A. -
B.
C. -
D.
Indicate whether the value of x shown is a solution of the given equation.x - 3.2 = 8, if x = 4.8
A. Yes B. No