Homework 4 Answers

BSTA 550

There are answers at the back of the book!! Selected answers (or hints) not provided at the end the book:

• Chapter 9

  • NTB # 1 Partial answers:

    • 7. \(p_{X|Y}(X=\text{high school}| Y=\text{no smoking at all}) = 0.476\)
    • 8. \(p_{Y|X}( Y=\text{no smoking at all}|X=\text{high school}) = 0.200\)

  • NTB # 2

    • 1. \(p_{X,Y}(x,y) = [0.99^{x-1}0.01][0.97^{y-1}0.03]\) for \(x,y = 0, 1, 2, ...\)
    • 2. And hint:
    • 3.