exam1_100af07_solutions

# exam1_100af07_solutions - University of California Los...

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

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: University of California, Los Angeles Department of Statistics Statistics 100A Instructor: Nicolas Christou Exam 1 23 October 2007 Name: Problem 1 (25 points) Answer the following questions: a. What is the probability that you and the person sitting next to you have the same birthday? Answer: 1- 365 × 364 365 2 = 1 365 . b. What is the probability that the 52 cards will be divided into 3 piles of 15, 18, and 19 cards each, such that the first pile gets 3 black cards, the second pile gets 10 black cards, and the third pile gets 13 black cards? Answer: 26 3 , 10 , 13 ! × 26 12 , 8 , 6 ! . c. Five cards will be selected without replacement from the 52-card deck. What is the probability that all five cards are spades? Answer: 13 5 39 52 5 = 13 5 52 5 . d. Five cards will be selected without replacement from the 52-card deck. What is the probability that we get 2 aces, 2 tens, and one five?...
View Full Document

{[ snackBarMessage ]}

### Page1 / 4

exam1_100af07_solutions - University of California Los...

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

View Full Document
Ask a homework question - tutors are online