# X y x z y z 1 1 4 1 3 5 12 2 x y z 1 x y z 1 2 w 1 x

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(x+y) + (x+z) + (y+z) =++= 114135122(x+y+z) = 1x+y+z=12w= 1(x+y+z) =12
Question17IncorrectMark 0.00 out of 1.00An insurance company pays hospital claims. The number of claims that includeemergency room or operating room charges is 85% of the total number of claims.The number of claims that do not include emergency room charges is 25% of thetotal number of claims. The occurrence of emergency room charges is independentof the occurrence of operating room charges on hospital claims. Calculate theprobability that a claim submitted to the insurance company includes operating roomcharges.Select one:
Question18CorrectMark 1.00 out of 1.00An auto insurance company insures drivers of all ages. An actuary compiled thefollowing statistics on the company’s insured drivers:Age of DriverProbability ofAccidentPortion of Company’s InsuredDrivers16-200.060.0821-300.030.1531-650.020.4966-990.040.28A randomly selected driver that the company insures has an accident. Calculate theprobability that the driver was age 16-20.Select one:
Question19CorrectMark 1.00 out of 1.00An insurance company issues life insurance policies in three separate categories:standard, preferred, and ultra-preferred. Of the company’s policyholders, 50% arestandard, 40% are preferred, and 10% are ultra-preferred. Each standardpolicyholder has probability 0.010 of dying in the next year, each preferredpolicyholder has probability 0.005 of dying in the next year, and each ultra-preferredpolicyholder has probability 0.001 of dying in the next year. A policyholder dies in thenext year. Calculate the probability that the deceased policyholder was ultra-preferred.Select one:

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Term
Winter
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