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
You might also like to view...
Factor.8x3 - 1000y3
A. (8x - 5y)(x2 + 5y + 200y2) B. 8(x - 5y)(x2 + 25y2) C. 8(x + 5y)(x2 - 5xy + 25y2) D. 8(x - 5y)(x2 + 5xy + 25y2)
Mathematics
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.
Estimate the temperature at 9:45 a.m.
A. -1°F B. -11°F C. 1°F D. 11°F
Mathematics
Solve the inequality.x2 - 2x - 35 < 0
A. x > 7 B. x < -5 C. x < -5 or x > 7 D. -5 < x < 7
Mathematics
Solve the problem.Suppose that a family has 5 children and that the probability of having a girl is 
. What is the probability of having exactly two girls and three boys?
A. 0.6252 B. 0.3125 C. 0.0625 D. 0.0312
Mathematics