Compare P(A∩B) with P(A∪B), and explain what each probability means in the context of the situation and data you collected.

Question

pink.1d · Answer

This is the table

pink.1d · Answer

Use social media regularly   	  Don't use social media
Younger than 18	              16	                                        4
Older than 18	                       11                                         	9

pink.1d · Answer

a is younger than 18 and b is using social media regularly

pink.1d · Answer

P(A∩B) = Probability ( younger than 18 & uses social media regularly) = 16 / 40
P(A∪B) = Probability ( younger than 18 OR uses social media regularly) = 31 / 40
is the answer

pink.1d · Answer

PeerAnswer is better