A fitness app tracks user activities. Of 300 users, 180 run, 150 swim, and 90 both run and swim. What is the probability a user runs or swims?
Options
A
1/2
B
2/3
C
4/5
D
5/6
Answer & Analysis
Answer
C
Analysis
Question Analysis
This question uses fitness app data to test non-mutually exclusive event probability.
The focus is converting user counts to probabilities and applying the union formula.
Key Concept Explanation
For events A (running) and B (swimming), accounts for users who do both activities.
Step-by-Step Solution
Want More Practice Questions?
Access thousands of practice questions with detailed explanations on Scholardog.