1. Example 4-33: Parking Tickets Bluman 5 th ed. © McGraw Hill The probability that Sam parks in a no-parking zone and gets a parking ticket is 0.06, and the probability that Sam cannot find a legal parking space and has to park in the no-parking zone is 0.20. On Tuesday, Sam arrives at school and has to park in a no-parking zone. Find the probability that he will get a parking ticket. 1 Bluman, Chapter 4

2. Bluman’s Example 4-33: Parking Tickets WRITE OUT DEFINITIONS! Let T = gets a ticket event, Let N = parks in a no-parking zone event. 2 Bluman, Chapter 4 What the problem saysWhat it means in algebra Parking in a no-parking zoneCall it event N Getting a ticketCall it event T P(no parking zone and ticket is 0.06)P(N and T) = 0.06 P(he has to park in a no-parking zone) is 0.20P(N) = 0.20 If he parks in a no-parking zone, find probability he will get a ticket P(T | N) = ?

3. Example 4-33: Parking Tickets Bluman 5 th ed. © McGraw Hill 3 Bluman, Chapter 4