Chapter 2 Review of Probability 2.1. (a) Probability distribution function for Y    Outcome (number of heads) Y 0 Y 1 Y 2 Probability 0.25 0.50 0.25 (b) Cumulative probability distribution function for Y Outcome (number of heads)    Y 2 Y 0 0 Y 1 1 Y 2 Probability 0 0.25 0.75 1.0 . (c) Using Key Concept 2.3: and so that 2.3. For the two new random variables and we have: (a) (b) (c)   2.5. Let X denote temperature in F and Y denote temperature in C. Recall that Y 0 when X 100    32 and Y when X 212; this implies Using Key Concept 2.3, X 70oF implies that and X 7oF implies 2.7. Using obvious notation, thus and This implies
Chapter 2 Review of Probability 2.1. (a) Probability distribution function for Y Outcome (number of heads) Y  0 Y  1 Y  2 Probability 0.25 0.50 0.25 (b) Cumulative probability distribution function for Y Outcome (number of heads) Y  0 0 Y  1 1 Y  2 Y 2 Probability 0 0.25 0.75 1.0 (c) . Using Key Concept 2.3: and so that 2.3. For the two new random variables and we have: (a) (b) (c) 2.5. Let X denote temperature in F and Y denote temperature in C. Recall that Y  0 when X  32 and Y 100 when X  212; this implies Using Key Concept 2.3, X  70oF implies that and X  7oF implies 2.7. Using obvious notation, thus and This implies
sw3_exeol_oddonly.docx