The frequency table below shows the number of students in a school who play different sports.
If a student is randomly chosen, what is the probability that the student plays either soccer or volleyball?
Options
A
0.2
B
0.4
C
0.5
D
0.6
Answer & Analysis
Answer
C
Analysis
Question Analysis
This question involves using a frequency table to calculate the probability of a compound event.
The main focus is on understanding how to find the probability of an “or” event by adding the probabilities of individual events, and correctly using the frequencies from the table to calculate probabilities.
Key Concept Explanation
For two mutually - exclusive events and , the probability of or , denoted as , is .
Probability of an event is calculated as
Step-by-Step Solution
First, find the total number of students:
The probability that a student plays soccer,
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