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- 13.4,2 Please find T(T), T(N), T(K)in a certain city, 60% of the heads of household own the house in which they reside, and 80% of the heads of the household have full-time employment when considering what percentage of heads of household both own their home and have a full-time job, a student estimates that 48% of heads of household fit both requirements, stating that (0.60) (0.80)=0.48. is this student correct in his approach?Figures obtained from a city's police department seem to indicate that of all motor vehicles reported as stolen, 63% were stolen by professionals (P), whereas 37% were stolen by amateurs (primarily for joy rides) (A). Of the vehicles presumed stolen by professionals, 25% were recovered within 48 hours (R<48), 23% were recovered after 48 hours (R>48), and 52% were never recovered (N). Of the vehicles presumed stolen by amateurs, 33% were recovered within 48 hours, 63% were recovered after 48 hours, and 4% were never recovered. (b) What is the probability that a vehicle stolen by a professional in this city will be recovered within 48 hours?(c) What is the probability that a vehicle stolen in this city will never be recovered? (Round your answer to four decimal places.)
- I am stuck on this question Problem 5. In a particular population of men and women, 92% of women are right-handed, and 88% of men are right-handed. Indicate whether each of the statements below is (i) true, (ii) false, or (iii) can’t be decided from the information given.a) The overall proportion of right-handers in the population is exactly 90%.b) The overall proportion of right-handers is between .88 and .92.c) If the sex ratio in the population is 1 to 1, then the proportion of right-handers is 90%d) If the proportion of right-handers is 90%, then the sex ratio must be 1 to 1.e) If there are at least three times as many women as men in the population, then the overall population of right handers is at least 91%.The scenario relates to a waiting line at the Dipping star at Six Flags. For the purposes of the next two questions, assume that the Wicked Twister, which was permanently closed in September 2021, has since relocated and re-opened at a different venue in California. Suppose that a waiting line at the Dipping Star at Six Flags follows M/M/1 queue, with unlimited arrivals, and FIFO. Assume that on a busy holiday, visitors to the Dipping Star purchase tickets in person every five minutes on average. Also, assume that the employees at the ticket counters on average serve fifteen customers every hour. What is the expected average time a customer waits in line before it is their turn to purchase tickets? a. 2 minutes b. 3.3 minutes c. 8 minutes d. 16 minutes e. 26.6 minutes On average, how many customers are waiting in line? a. 1.5 b. 1.9 c. 3.2 d. 4.1 e. 3.25 students
