Venn Diagrams and Probability

To find the probability of 2 or more events, you have to ________ the probability of each event.

50 people students are asked what classes they are taking at Laney College. How many people are NOT taking either philosophy or sociology?

What is the probability that a student selected at random is taking Philosophy and is NOT taking sociology? (select all correct answers)

What is the probability that a student selected at random is taking Philosophy? (select all correct answers)

What is the probability that a student is taking Sociology OR Philosophy?

It's Saturday. You are deciding whether to go to Lake Merritt or to hike in Joaquin Miller State Park. There is a 50% chance you go to Lake Merritt and a 30% chance you go to Joaquin Miller. There is a 20% chance you do both!

If you drew a venn diagram, what is the number in the middle?

It's Saturday. You are deciding whether to go to Lake Merritt or to hike in Joaquin Miller State Park. There is a 50% chance you go to Lake Merritt and a 30% chance you go to Joaquin Miller. There is a 20% chance you do both!

What is the likelihood that you go to Lake Merritt and NOT Joaquin Miller?

It's Saturday. You are deciding whether to go to Lake Merritt or to hike in Joaquin Miller State Park. There is a 50% chance you go to Lake Merritt and a 30% chance you go to hiking. There is a 20% chance you do both!

What is the probability that you will go to EITHER the lake OR go hiking? (hint: what equation do we have for this?