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A study of immune response in rabbits classified the rabbits into four groups, according to the strength of the response. From one week to the
A study of immune response in rabbits classified the rabbits into four groups, according to the strength of the response. From one week to the next, the rabbits 1 2 3 4 | changed classification from one group to another, according to the transition matrix to the right. Complete parts (a) through (c). Question list "[os403 0 o 2 3 0 0.49 0.36 0.15 O Question 1 4| 0 005404 0 0 0.28 0.72 O Question 2 (a) Five weeks later, what proportion of the rabbits in group 1 were still in group 1? O Question 3 (Round to two decimal places as needed.) (b) In the first week, there were 8 rabbits in the first group, 5 in the second, and none in the third or fourth groups. How many rabbits would you expect in each group after 2 weeks? O Question 4 There are rabbits expected in Group 1. (Round to three decimal places as needed.) There are rabbits expected in Group 2. (Round to three decimal places as needed.) O Question 5 There are rabbits expected in Group 3. (Round to three decimal places as needed.) There are rabbits expected in Group 4. (Round to three decimal places as needed.) Question Viewer (c) By investigating the transition matrix raised to larger and larger powers, make a reasonable guess for the long-range probability that a rabbit in group 1 or 2 will still be in group 1 or 2 after an O Question 6 arbitrarily long time. Explain why this answer is reasonable. Choose the correct answer below. () A. The long-range probability that a rabbit will still be in groups 1 or 2 is equal to the initial probability that a rabbit will remain in groups 1 or 2. . (O B. There is not enough information to determine the probability of a rabbit remaining in group 1 and 2. O Question 7 i (O C. The long-range probability of rabbits in group 1 or 2 staying in group 1 or 2 is 1. As the transition matrix is raised to an increasingly higher power, the probability of a rabbit in groups 1 or 2 staying in the same group approaches 1, since the rabbits from groups 3 and 4 will eventually transition back to groups 1 and 2. O Question 8 () D. The long-range probability of rabbits in group 1 or 2 staying in group 1 or 2 is zero. As the transition matrix is raised to an increasingly higher power, the probability of a rabbit in group 1 or 2 staying in the same group approaches zero, and there is always a zero probability that a rabbit in group 3 or 4 will transition to back to group 1 or 2. O Question 9 O Question 10 x g | i h . [x2] . . A small town has two coffee shops, Shop A and Shop B. Currently, Shop A has a 25% market share while Shop B has a 75% market share. Shop A's manager hopes to increase their market share Questlon ||St | by conducting an extensive advertising campaign. After the campaign, a market research firm finds that there is a probability of 0.6 that a customer of Shop A's will buy her next coffee at Shop A and a 0.45 chance that a customer of Shop B's will buy her next coffee at Shop A. Set up a transition matrix and an initial probability vector with this information. Then, find the long-range market share for each coffee shop. O Question 1 Let the first state be that a customer buys coffee from Shop A, and the second state be that a customer buys coffee from Shop B. O Question;2 The transition matrixis P=| |. (Type an integer or decimal for each matrix element.) O Question 3 The initial probability vectorisv=| |. (Type an integer or decimal for each matrix element.) The long-range market share for Shop Ais | (%, and the long-range market share for Shop Bis | |%. O Question 4 (Type integers or decimals rounded to two decimal places as needed.) O Question 5 O Question 6 O Question 7 O Question 8 O Question 9 O Question 10 Find the equilibrium vector for the transition matrix below. Question list This quiz: 13 point(s) possible This question: 1 point(s) possible S Submit quiz Question list O Question 1 O Question 2 O Question 3 O Question 4 O Question 5 O Question 6 O Question 7 O Question 8 O Question 9 O Question 10 Write the transition diagram as a transition matrix. 1
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