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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Starting in the year 2000, the number of speeding tickets issued each year in Middletown is predicted to grow according to an exponential growth model. During the year 2000, Middletown issued 200 speeding tickets 
Every year thereafter, the number of speeding tickets issued is predicted to grow by 10%.If PN denotes the predicted number of speeding tickets issued during the year 2000 + N, then
A. PN = 200 × (1.1)N-1 B. PN = 200 × (0.1)N-1. C. PN = 200 × (0.1)N. D. PN = 200 × (1.1)N. E. none of these
Plot the point.(0, -3)
A. 
B. 
C. 
D. 
Find the area.
A. 6728 ft2 B. 3364 ft2 C. 116 ft2 D. 232 ft2
Solve the inequality by the test-point method. Write the solution in interval notation.x2 + 6x + 5 > 0
A. (-?, -5) B. (-5, -1) C. (-?, -5) ? (-1, ?) D. (-1, ?)