chapter 5
All Seasons Plumbing has two service trucks that frequently need repair. If the probability the first truck is available is 0.74, the probability the second truck is available is 0.51, and the probability that both trucks are available is 0.41 What is the probability neither truck is available? (Round your answer to 2 decimal places.) Probability Refer to the following table. 5 A3 Second Event B1 B2 Total First Event A1 A2 3 10 10 8 23 10 11 33 Total 23 41 64 11.11 points 20 Skipped Click here for the Excel Data File a. Determine Pf41). (Round your answer to 2 decimal places.) eBook Print P[A1) References b. Determine AB/A2). (Round your answer to 2 decimal places.) P(B1A2) Paste BIU V V a. Av E Merge & 41 A B D E F G H K First Event A2 A1 Second Event B1 B2 Total 3 8 10 23 33 A3 10 10 20 Total 23 41 64 - 11 - 3 1 2 3 4 5 6 6 The credit department of Lion's Department Store in Anaheim, California, reported that 27% of their sales are cash, 29% are paid with a credit card, and 44% with a debit card. Twenty percent of the cash purchases, 82% of the credit card purchases, and 57% of the debit card purchases are for more than $50. Ms. Tina Stevens just purchased a new dress that cost $120. What is the probability that she paid cash? (Round your answer to 3 decimal places.) 11.11 points Probability Skipped eBook Print References 8. A puzzle in the newspaper presents a matching problem. The names of 10 US presidents are listed in one column, and ther vice presidents are isted in random order in the second column. The puzzle asks the reader to match each president with his vice president. a. If you make the matches randomly, how many motches are possible? Number of porotle watch 3.628.800 11.11 points ch Print Reference b. What is the probability an 10 of your matches are correct? (Round your answer to & decimal places.) Probably In log 9 Horwege Electronics Inc. purchases TV picture tubes from four different suppliers. Tyson Wholesale supplies 20% of the tubes, Fuji Importers 30%, Kirkpatricks 25%, and Parts Inc, 25%. Tyson Wholesale tends to have the best quality, as only 3% of its tubes arrive defective. Fuji Importers tubes are 4% defective, Kirkpatricks 7%, and Parts Inc.'s are 6.5% defective a. What is the overall percent defective? (Round your answer to 3 decimal places.) 1112 points Overall percent dialective Spid ook Hortes b. A defective picture tube was discovered in the latest shipment. What is the probability that it come from Tyson Wholesale? (Round your answer to 3 decimal places.) Probability in
