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An organisation selected 2400 families at random and surveyed them to determine a relationship between the income level and the number of vehicles in a family. The information gathered is listed in the table below: Suppose a family is chosen at random. Find the probability that the family chosen is (i) earning Rs 25000 - Rs 30000 per month and owning exactly 2 vehicles. (ii) earning Rs 40000 or more per month and owning exactly 1 vehicle. (iii) earning less than Rs 25000 per month and not owning any vehicle. (iv) earning Rs 35000 - Rs 40000 per month and owning 2 or more vehicles. (v) owning not more than 1 vehicle. |
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Answer» An organisation selected 2400 families at random and surveyed them to determine a relationship between the income level and the number of vehicles in a family. The information gathered is listed in the table below:
Suppose a family is chosen at random. Find the probability that the family chosen is (i) earning Rs 25000 - Rs 30000 per month and owning exactly 2 vehicles. (ii) earning Rs 40000 or more per month and owning exactly 1 vehicle. (iii) earning less than Rs 25000 per month and not owning any vehicle. (iv) earning Rs 35000 - Rs 40000 per month and owning 2 or more vehicles. (v) owning not more than 1 vehicle. |
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