A random variable X has a cumulative distribution function F(x) = 1 - 
(x ? 1). Find Pr(a ? X ? 5).
A. 
B. 1 - 
C. 
- 
D. 
- 
E. none of these
Answer: D
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Evaluate to four decimal places using a calculator.e2.887
A. 17.9394 B. 7.3891 C. 8.3348 D. 7.8477
Solve.Find the volume generated when the shaded region is revolved about the y-axis.
A. 28 - 7?
B. 7? + 7?2
C. 14? - 
?2
D. 28? - 7?2
Solve the problem using your calculator.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. Use a graphing calculator to model the data with a linear function that predicts a student's score as a function of the number of hours he or she studied.
A. y = 67.3 + 1.07x B. y = 33.7 +2.14x C. y = 33.7 - 2.14x D. y = -67.3 + 1.07x
The table shows Jose's expenses for one month. Use the table to answer the question.How much less did Jose spend on rock climbing expenses (gear and lessons) than on rent? Monthly ExpensesRent$531Food$216Car repairs, gas$93.59Utilities$59.88Phone$80.26Rock climbing gear$167.59Rock climbing lessons$173Entertainment$67.00
A. 536.41 B. 363.41 C. 189.44 D. 190.41