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An organisation selected 2400 families a...

An organisation selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehicles in a family . The information gathered is listed in the table below

Suppose a family is chosen, Find probability that the family chosen is
earning Rs 16000 or more per month and owning exactly 1 vehicle.

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The correct Answer is:
`(193)/800`
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An organisation selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehicles in a family . The information gathered is listed in the table below Suppose a family is chosen, Find probability that the family chosen is earning Rs 10000 - Rs 13000 per month and owning exactly 2 vehicles.

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1500 families with 2 children were selected randomly , and the following data were recorded. {:("Number of girls in a family",2,1,0),("Number of families",475,814,211):} Compute the probability of a family , chosen at random , having 1 girl

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1500 families with 2 children were selected randomly , and the following data were recorded. {:("Number of girls in a family",2,1,0),("Number of families",475,814,211):} Compute the probability of a family , chosen at random , having No girls. Also check whether the sum of these probabilities is 1.

KUMAR PRAKASHAN-PROBABILITY -EXERCISE 15.1
  1. 1500 families with 2 children were selected randomly , and the followi...

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  2. The following table given the marks scored by 50 students in a 100 mar...

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  3. Three coins are tossed simultaneously 200 times with the following fre...

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  4. An organisation selected 2400 families at random and surveyed them to ...

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  5. An organisation selected 2400 families at random and surveyed them to ...

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  6. An organisation selected 2400 families at random and surveyed them to ...

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  7. An organisation selected 2400 families at random and surveyed them to ...

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  8. An organisation selected 2400 families at random and surveyed them to ...

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  9. Find the probability that a student obtained marks 60 or above.

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  10. The following table given the marks scored by 50 students in a 100 mar...

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  11. To know the opinion of the students about the subject statistics , a s...

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  12. To know the opinion of the students about the subject statistics , a s...

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  13. What is the empirical probability that an engineer lives : within 1...

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  14. What is the empirical probability that an engineer lives : within 1...

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  15. Find the probability that a number selected at random from 1 to 100 is...

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  16. 5 girls and 10 boys sit at random in a row having 15 chairs numbered a...

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  17. Out of 3n consecutive integers, three are selected at random. Find t...

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  18. Eleven bags of wheat flour, each marked 5 kg, actually contained the f...

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  19. In sum you were asked to prepare a frequency distribution table, rega...

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  20. Everyone should have knowledge about his/her blood group as well as th...

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