Homework 2 Answers

BSTA 550

Below are some select answers from the homework.

Questions

1. 1. (b) Answers for part (ii) for each:

   1. 0.48

   2. 0.52

   3. 0.2

   4. 0.32

   5. 0.03

   6. 0.01

   7. 0.02

2. 3. 0.384 If you have the right answer to (c), then you should be able to figure out the rest (see (e)).
3. 1. 1 does not hold because \(0 \neq \dfrac{1}{216}\)      (b) 2 does not hold because \(P(B \cap C) \neq P(B)P(C)\)
4. 1. 5/9; b. 2/5; c. 2/4
5. 1. 0.71; b. 0.29; c. 48/71; d. 1; e. 25/29; f. 25/39

Extra problem

1. 1. 16, (c) for one, \(P(X=10) = \dfrac{5}{16}\), (d) 0.375