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A company selected 2400 families at random and survey them to determine a relationship between income level and the number of vehicles in a home. The information gathered is listed in the table below: Monthly income: (in Rs) Vehicles per family 0 1 2 Above 2 Less than 7000 7000-10000 10000-13000 13000-16000 16000 or more 10 0 1 2 1 160 305 535 469 579 25 27 29 29 82 0 2 1 25 88 If a family is chosen, find the probability that family is:(i) earning Rs10000-13000 per month and owning exactly 2 vehicles.(ii) earning Rs 16000 or more per month and owning exactly 1 vehicle.(iii) earning less than Rs 7000 per month and does not own any vehicle.(iv) earning Rs 13000-16000 per month and owning more than 2 vehicle.(v) owning not more than 1 vehicle(vi) owning at least one vehicle. |
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Answer» A company selected 2400 families at random and survey them to determine a relationship between income level and the number of vehicles in a home. The information gathered is listed in the table below:
If a family is chosen, find the probability that family is: (i) earning Rs10000-13000 per month and owning exactly 2 vehicles. (ii) earning Rs 16000 or more per month and owning exactly 1 vehicle. (iii) earning less than Rs 7000 per month and does not own any vehicle. (iv) earning Rs 13000-16000 per month and owning more than 2 vehicle. (v) owning not more than 1 vehicle (vi) owning at least one vehicle. |
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