This problem continues the lottery of 3.7.10 in 'vhich each ticket has 6 randomly marked numbers out of 1, ... , 46. A ticket is a 'vinner if the six marked numbers match 6 numbers drawn at random at the end of a week. Suppose that following a 'veek in 'vhich the pot carried over 'vas r dollars, the number of tickets sold in that 'veek, J{, is the Poisson (r) random variable. \i\fhat is the PMF of the number of winning tickets? Hint: What is the probability q that an arbitrary ticket is a winner?

Stats 260, 11/15 Class Announcements ● Next homework is out! Due 11/29 (only five questions) ● Blackboard test grade is the correct one, not testing services ● Scatter plots are in chapter two of book if you need to review Notes ● Correlation Coefficient: Statistical measure of how strong a relationship between two variables is. ○ Will run between 1 and 1. If it is negative, you have a negative linear slope. ○ Perfect linear correlation would mean all of your data would line up perfectly on a straight line. THe data is exactly linear. ○ Perfect positive linear relationship = 1 ○ Perfect negative linear relationship = 1 ○ You can tell by looking at the scatter plot if a relationshi