Probability - Basics

Submitted by vladimir.arzt on Fri, 08/30/2024 - 17:24
Project ID: 
7200000078
Accepted: 
SubArea: 
Probability
Type: 
Match
Layout: 
6x8
Question: 
There are 20 balls in a box, each with a colored symbol - 10 hearts and 10 rectangles (see the picture). One ball is randomly drawn from the box. Let ♥ denote the event that a ball with a heart symbol is drawn, and R denote the event that a ball with a red symbol is drawn. Match each event with its corresponding probability.
Unfolding Image: 
Questions Title: 
Event
Answers Title: 
Probability
Question 1: 
R
Answer 1: 
0.3
Question 2: 
♥
Answer 2: 
0.5
Question 3: 
R ∩ ♥
Answer 3: 
0.1
Question 4: 
R ∪ ♥
Answer 4: 
0.7
Question 5: 
R | ♥
Answer 5: 
0.2
Question 6: 
♥ | R
Answer 6: 
0.3―
Answer 7: 
0.4
Answer 8: 
0.6