Solve the problem.Suppose that the random variables (X, Y) have joint PDF 
Find k and P(Y > 4).
A. 
; 4.22
B. 
; 0.7
C. 36; 4.22
D. 36; 0.7
Answer: B
Mathematics
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Evaluate the integral.
A. 
sin-1 
+ C
B. sin-1 
+ C
C. tan-1 
+ C
D. 
tan-1 
+ C
Mathematics
Use the compound interest formula to compute the total amount accumulated.$4000 for 3 years at 2% compounded annually
A. $4244.83 B. $4161.60 C. $4240.00 D. $4160.00
Mathematics
Suppose that research has shown that the probability that a missile penetrates enemy defenses and reaches its target is 0.2. Find the smallest number of identical missiles that are necessary in order to be 50% certain of hitting the target at least once. ? __________ missiles
Fill in the blank(s) with the appropriate word(s).
Mathematics
Factor by grouping.2a3 + 4a2 + 9a + 18
A. (2a2 + 9)(a + 2) B. (2a2 + 2)(a + 9) C. (2a2 + 1)(9a + 2) D. (2a + 9)(a2 + 2)
Mathematics