A PDF for a continuous random variable X is given. Use the PDF to find E(X).f(x) = 
A. 
B. 3
C. 
D. 
Answer: C
Mathematics
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Determine if the series converges or diverges. If the series converges, find its sum.
A. converges; 1
B. diverges
C. converges; 
D. converges; 
Mathematics
Using a graphing calculator to graph f and g in the window [0, 6, 1] by [0, 6, 1]. Which function is greater when 
?f(x) = x3/5, g(x) = x5/3
A. g(x) B. f(x)
Mathematics
The circle graph summarizes the results of a survey of the favorite movie category chosen by a group of adults. 
2300 adults answer the survey.How many of the survey respondents said that they favor drama movies? Round to the nearest whole.
A. 214 respondents B. 2670 respondents C. 614 respondents D. 702 respondents
Mathematics
Determine whether the two pairs of numbers are proportional.25, 30 and 3, 5
A. Yes B. No
Mathematics