Solve the problem.A continuous random variable X has PDF f(x) = 
x2(8 - x), 
Find E(X3).
A. 
B. 
C. 
D. 
Answer: B
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Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.sin2x - 8 sin x - 4 = 0
A. {28.2°, 151.8°, 208.2°, 331.8°} B. {208.2°, 331.8°} C. No solution D. {28.2°, 151.8°}
Solve the problem using the table.Monthly Principal and Interest Payment per $1000 of Mortgage
What is the monthly payment on a 20-year loan of $52,300 if the annual interest rate is 9.5%?
A. $487.50 B. $457.10 C. $546.01 D. $504.70
Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the final expression.
A. sec2 x B. csc2 x C. 1 D. cot2 x
Use the product rule to simplify the expression.-3m2 ? 3m3 ? z4 ? z2
A. -9mz6 B. -9m5z6 C. -9m6z5 D. -9mz5