Probability from a tableeasyFree question
Probability from a table Numerical Reasoning Question
| Mode | Count |
|---|---|
| Bus | 55 |
| Train | 60 |
| Car | 40 |
One commuter is chosen at random. What is the probability they take the Train?
Show worked solution
Probability = favourable count ÷ total count (not ÷ the rest — that's odds). The correct answer is 38.7%. Traps to avoid: 25.8% comes from the "wrong category" error; 35.5% comes from the "wrong category" error; 32.4% comes from the "wrong total" error; 63.2% comes from the "odds not probability" error.
The wrong answers here have names
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