# quiz1 - Problem 4 The total number of ways of choosing r...

This preview shows pages 1–2. Sign up to view the full content.

STA 4321/5325 Quiz 1 Fall 2010 Name: All problems have exactly one correct answer. Problem 1 Consider an experiment which consists of tossing a fair die (6 faces) 200 times. The total number of possible outcomes for the complete experiment is (a) 6 200 . (b) 200 6 . (c) 200. (d) 6. Problem 2 If S is the sample space of a random experiment, then (a) P ( S ) = 1. (b) P ( S ) > 1. (c) P ( S ) = 0 : 5. (d) P ( S ) < 1. Problem 3 If A and B are mutually exclusive events, then P ( A \ B ) = 0. This statement is (a) True. (b) False.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Problem 4 The total number of ways of choosing r objects from n objects without replacement when order is not important is (a) C n + r ± 1 r . (b) n r . (c) C n r . (d) P n r . Problem 5 Consider a random experiment which consists of tossing a fair coin 3 times. If A denotes the event that there are exactly 2 heads, then (a) P ( A ) = 1 8 . (b) P ( A ) = 1 4 . (c) P ( A ) = 5 8 . (d) P ( A ) = 3 8 ....
View Full Document

{[ snackBarMessage ]}

### Page1 / 2

quiz1 - Problem 4 The total number of ways of choosing r...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online