1--------- _I Q19. Labor trends were recently studied using a survey of respondents who were either unemployed (A) or employed (B). The survey results revealed that among those surveyed, 70% of those currently unemployed gain employment within the following month, and 30% remain unemployed. Meanwhile, 80% of those currently employed maintain employment through the following month, and 20% become unemployed. Suppose 80% of the population is currently employed. 0.7 0.3 .o_ 0.8 0.2 Using the probabilities and states given, what percentage of the population will likely be employed two months from now? (Enter numerical value only. Do not enter 96 sign. Round the percentage to 1 decimal place, or to the nearest tenth of a percent.) Q20. A popular app, Zolo, has come on the market for streaming pet-friendly music while others in the household are away from home for work or errands. Every month. the app attracts 40% of non-subscribing households; in other words. these households decide to subscribe. Meanwhile, 50% of already subscribing households decide to unsubscribe each month. Suppose 40% of households are current subscribers. Using the probabilities and states as described, what percentage of households will likely be subscribers two months from now? (Enter numerical value only. Do not enter 96 sign. Round the percentage to 1 decimal place, or to the nearest tenth of a percent.) Q21. Frankie has a very busy lunch counter. On Tuesday, they sold 212 meals and brought in revenue of $2,593. The vegetarian curry rice costs $7.00 and the Chicken Marsala costs $12.00. If the augmented matrix is given by 1 a. b . what is the value of d? 7 c d Your Answer: Q22. In a computer network a virus is spreading from machine to machine. Each week, the proportion of uninfected computers that remain uninfected is 0.60 with the rest becoming infected. Meanwhile, 0.30 of the computers that are infected are restored and become uninfected with the rest remaining infected. Suppose 0.85 of the network is currently uninfected. .'. Using the probabilities and states given, what proportion of the network will be infected the next week? (Enter numerical value only. Round the percentage to 3 decimal places) Q23. Molly Malone sells shellfish from a cart. She charges $9 for cockles, $9 for mussels, and $14 for oysters. One week she sold the following amounts of each type of shellfish: Monday Tuesday Wednesday Thursday Friday Cockles 22 31 22 34 37 Mussels 27 19 24 28 19 Oysters 18 7 10 16 18 Set the prices as Matrix A and the number sold as Matrix B and use matrix operations to determine Molly's receipts on Wednesday. Enter the amount in whole dollars. Do not include the $