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7. [-/3.33 Points] DETAILS Decide which of the two given functions is linear and find its equation. X 1 2 3 4 f(x) 5181 11 14 17 g(x) 13 12 17 F(x) Select- f(x) 9(x) Rand It10. [0/3.33 Points] DETAILS PREVIOUS ANSWERS The following table lists several corporate bonds issued during a particular quarter. Company AT&T Bank of General Goldman Wells America Electric Sachs Verizon Fargo Time to Maturity 10 10 2 3 7 (years) Annual Rate (%) 2.40 4.00 4.25 6.15 5.15 3.50 If the General Electric bonds you purchased had paid you a total of $8,680 at maturity, how much did you originally invest? (Round your answer to the nearest dollar,) $ 102118 Need Help? Read It14. [-/3.33 Points] DETAILS Determine the periodic payments on the given loan or mortgage. HINT [ See Example 5.] (Round your answer to the nearest cent.) $4,000,000 borrowed at 5% for 25 years, with quarterly payments PMT = Need Help? Read It16. [0/3.33 Points] DETAILS PREVIOUS ANSWERS Use Gauss-Jordan row reduction to solve the given system of equations. (If there is no solution, enter NO SOLUTION. If the system is dependent, express your answer using the parameters x, y, and/ or z.) X 2=2 3 -X (x, y, z) = 100,50.50 Need Help? Read it24. [1.66/3.33 Points] DETAILS PREVIOUS ANSWERS The following table shows the results of a survey of authors by a (fictitious) publishing company. HINT [See Example 5.] New Established Authors Authors Total Successful 4 23 27 Unsuccessful 15 58 73 Total 19 81 100 Consider the following events: S: an author is successful; : an author is unsuccessful; M: an author is new; and &: an author is established. Describe the event U U E' in words. 0 This is the event that an author is either unsuccessful or not established. O This is the event that an author is unsuccessful and not established. O This is the event that an author is either successful or not established. O This is the event that an author is unsuccessful and established. O This is the event that an author is either successful or established. Find the number of elements it contains. authors Need Help? Read It26. [-/3.33 Points] DETAILS A die is weighted in such a way that each of 5 and 6 is eight times as likely to come up as each of the other numbers. Find the probability distribution. Outcome 1 2 3 4 5 6 Probability What is the probability of rolling an even number? Need Help? ! Master It Submit Answer28. [-/3.33 Points] DETAILS MY NOTES ASK YOUR TEACHER A standard piano keyboard has 88 different keys. Find the probability that a cat, jumping on 3 keys in sequence and at random (possibly with repetition), will strike the first three notes of Beethoven's Fifth Symphony. (Leave your answer as a formula.) Need Help? Read It 29. [-/3.33 Points] DETAILS MY NOTES ASK YOUR TEACHER Compute the indicated quantity. P(A) = 0.8, P(B) = 0.4. A and B are independent. Find A(An B). P(An B) = Need Help? Read It 30. [-/3.43 Points] DETAILS MY NOTES ASK YOUR TEACHER Find the conditional probability of the given event when two fair dice (one red and one green) are rolled. The red one is 2, given that the green one is 2. Need Help? Read It Master It