ec41f10_hw2

ec41f10_hw2 - Kata Bognar kbognar@ucla.edu Economics 41...

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

View Full Document Right Arrow Icon
kbognar@ucla.edu Economics 41 Statistics for Economists UCLA Fall 2010 Homework Assignment 2. Due date: October 14, 2010. Your Name: Your TA’s Name: NOTE: Please show your calculations for Questions 1, 3-11, 14-15. The exercises are from the textbook (Tannis and Hogg: A Brief Course in Mathematical Statistics). Conditional Probability. 1. A fair coin is flipped twice. Let the events A = “the first toss is heads” , B = “the second toss is heads” and C = “at least one toss is heads” . Determine the following probabilities. (a) P ( B ) (b) P ( B | A ) (c) P ( B | C ) (d) P ( C ) (e) P ( C | A ) (f) P ( C | B 0 ) 2. Two independent events are: (a) always mutually exclusive events (b) never mutually exclusive events (c) always complementary events (d) always subjective events 3. An independent research team inspects 500 batteries manufactured by two compa- nies for being good or defective. The following table gives the two-way classification of these 500 batteries. Good
Background image of page 1

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

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

ec41f10_hw2 - Kata Bognar kbognar@ucla.edu Economics 41...

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

View Full Document Right Arrow Icon
Ask a homework question - tutors are online