Find the standard deviation of the probability density function to the nearest hundredth.f(x) = 1 - 
; [1, 4]
A. 0.73
B. 0.76
C. 0.75
D. 0.71
Answer: C
Mathematics
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Solve the problem.Ron and Kathy are ticket-sellers at their class play, Ron handling student tickets that sell for $3.00 each and Kathy selling adult tickets for $6.50 each. If their total income for 19 tickets was $102.50, how many did Ron sell?
A. 13 tickets B. 18 tickets C. 8 tickets D. 6 tickets
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
+ 
A. 
B. 
C. 
D. 
Mathematics
Suppose the point (2, 4) is on the graph of y = f(x). Find a point on the graph of the given function.y = f(x + 3)
A. (5, 4) B. (2, 1) C. (2, 7) D. (-1, 4)
Mathematics
Find the LCM.30, 20, and 50
A. 60 B. 300 C. 100 D. 150
Mathematics