A PDF for a random variable X is given. Use the PDF to find the CDF.f(x) = 
A. F(x) = 
B. F(x) = 
C. F(x) = 
D. F(x) = 
Answer: B
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Solve the problem.The value V, in dollars, of a shopkeeper's inventory software program is given by the formula 
where t is the number of years since the shopkeeper first bought the program. Find the number of years after which the value of the inventory program is $550 by solving the equation 
visually, using the following graph. 
A. 6 years B. 600 years C. 10 years D. 5 years
Round the decimal to the given place value.0.7244, nearest hundredth
A. 0.72 B. 0.724 C. 0.73 D. 0.7244
Add or subtract as indicated. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
The pictograph shows the number of bicycles sold at Mountain Biking Mania for a 7-week period. 
How many bicycles were sold in week 1?
A. 90 bicycles B. 50 bicycles C. 65 bicycles D. 100 bicycles