Suppose ten individuals present to a clinic to be vaccinated against a disease: 3 of them will eventually contract the disease if not vaccinated - call this the disease susceptible group (D). 7 of them will not contract the disease regardless of whether they are vaccinated - call this the well group (W). Assume that there is only enough vaccine for three of the patients, so the doses are to be randomly rationed. The relevant random experiment consists of successively drawing three patients one-by- one without replacement from among the 10 to form the triple of patients who are to be vaccinated. Suppose our interest is in the jointly distributed random variables X = number of D-type patients in the first pair of a randomly drawn triple of patients and Y = number of D-type patients in the second pair of a randomly drawn triple of patients. What is the sample space corresponding to these jointly distributed random variables? a) {(0,0), (0,1), (1,2), (2,1), (2,2)} b) {(0,0), (0,1), (1,0), (2,1), (2,2)} c) {(0,0), (1,0), (1,1), (1,2), (2,1), (2,2)} d) {(0,0), (0,1), (1,0), (1,1), (1,2), (2,1), (2,2)}

Suppose ten individuals present to a clinic to be vaccinated against a disease: 3 of them will eventually contract the disease if not vaccinated - call this the disease susceptible group (D). 7 of them will not contract the disease regardless of whether they are vaccinated - call this the well group (W). Assume that there is only enough vaccine for three of the patients, so the doses are to be randomly rationed. The relevant random experiment consists of successively drawing three patients one-by- one without replacement from among the 10 to form the triple of patients who are to be vaccinated. Suppose our interest is in the jointly distributed random variables X = number of D-type patients in the first pair of a randomly drawn triple of patients and Y = number of D-type patients in the second pair of a randomly drawn triple of patients. What is the sample space corresponding to these jointly distributed random variables? a) {(0,0), (0,1), (1,2), (2,1), (2,2)} b) {(0,0), (0,1), (1,0), (2,1), (2,2)} c) {(0,0), (1,0), (1,1), (1,2), (2,1), (2,2)} d) {(0,0), (0,1), (1,0), (1,1), (1,2), (2,1), (2,2)}

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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