Explain the upside down U in probability?I.e. P(A∩B)

Question

anonymous · Answer

that is called the intersection...so A and B are sample spaces...outcomes of events

that is asking what is the probability of both A and B occurring...

suppose you are rolling a die and drawing a card, what is the probability that you roll a 4 *and* you draw the ace of spades?

If P(A∩B) = P(A)P(B) then the events are independent...

amistre64 · Answer

any ideas from the material?

anonymous · Answer

Assignment is as follows:

Define an issue that is important to you (politics, medicine, social media, education, etc.), and think about some things you might want to know about this issue.

Briefly explain your issue and what you hope to learn or understand.
Pose a question for which a two-way table is appropriate. Be creative here!
Collect data from at least 20 people (or other sources).
Display your data in a two-way frequency table like the one shown below. Your table can have more rows or columns if you need them.