University:
California State University, Northridge
Course:
MATH 340 | Introduction to Probability and Statistics
Academic year:

2015
Views:

68

Pages:

2
Author:

Jacey Sweeney

MATH 340, S'tJ� ,:-/Oi.t--J Quiz 4 Name: (print) ____________________ Each problem is worth 2 points. Show all your work. 1. Urn A has 5 white and 7 black balls. Urn B has 3 white and 12 black balls. We flip a fair coin. If the outcome is heads, then a ball from urn A is selected, whereas if the outcome is tails, then a ball from urn B is selected. Suppose that a white ball is selected. What is the probability that the coin landed tails? /2.- P{Lj;) ;, f f f{w(u,J P(u 13 ) Please turn over...