A survey was conducted to find out the favourite colour among people. 30 people said white, 25 said black, 50 said red and 95 liked other colours. What is the probability of a person selected at random having white as their favourite colour? [1MARK]

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Solution

Solution: [1Mark]

Total number of people = 30 + 25 + 50 + 95 = 200
Probability of having white as favourite colour = $\frac{30}{200}$ = 0.15

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A survey was conducted to find out the favourite colour among people. 30 people said white, 25 said black, 50 said red and 95 liked other colours. What is the probability of a person selected at random having white as their favourite colour? [1MARK]

Solution: [1Mark] Total number of people = 30 + 25 + 50 + 95 = 200 Probability of having white as favourite colour = 30200 = 0.15

Solution: [1Mark]

Total number of people = 30 + 25 + 50 + 95 = 200
Probability of having white as favourite colour = $\frac{30}{200}$ = 0.15