Find the probability to the nearest hundredth that the random variable of the probability density function has a value greater than the mean.f(x) = 4x-5; [1, ?)
A. 0.50
B. 0.29
C. 0.32
D. 0.23
Answer: C
Mathematics
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Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.1 B. 0.2 C. 0.4 D. 3
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Find a formula for the nth term of the sequence.7, -7, 7, -7, 7 (7's with alternating signs)
A. an = 7(-1)n+1 B. an = 7(-1)2n-1 C. an = 7(-1)2n+1 D. an = 7(-1)n
Mathematics
Find the total area of the region between the curve and the x-axis.y = (x + 2)
; 4 ? x ? 9
A. 249
B. 
C. 
D. 
Mathematics
Solve the problem.John earns $14.32/hour. If he works 16 hours, how much will he earn?
A. $229.13 B. $229.12 C. $230.22 D. $229.22
Mathematics