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Which of the following arguments are cor...

Which of the following arguments are correct and which are not correct? Give reasons for your answer.
If two coins are tossed simultaneously there are three possible outcomes - two heads, two tails or one of each. Therefore, for each of these outcomes, the probability is `1/3`

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OSWAAL PUBLICATION-PROBABILITY -TEXTBOOK CORNER (EXERCISE 14.1)
  1. If P (E) = 0.05, what is the prabability of 'not' E' ?

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  2. A bag contains lemon flavoured candies only . Malini takes out one can...

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  3. It is given that in a group of 3 students, the probability of 2 studen...

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  4. A bag contains 5 red balls and some blue balls. If the probability of ...

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  5. A box contains 5 red marbles, 8 white marbles and 4 green marbles. One...

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  6. A piggy bank contains hundred 50p coins , fifty Rs 1 coins twenty Rs 2...

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  7. Gopi buys a fish from a shop for his aquarium. The shopkeeper takes ou...

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  8. A game of chance consists of spinning an arrow which comes to rest poi...

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  9. A die is thrown once, Find the probability of getting (i) a prime nu...

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  10. One card is drawn fram a well shuffled deck of 52 cards. Find the prob...

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  11. Five cards - then ten, jack, queen, king and ace of diamonds, are well...

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  12. 12 defective pens are accidentally mixed with 132 good ones. It is not...

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  13. (i) A lot of20 bulbs sontains 4 defective ones. One bulb is drawn at r...

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  14. A box contains 90 discs which are numbered from 1 to 90. If one disc i...

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  15. A child has a die whose six faces show the letters as given below : ...

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  16. Suppose you drop a die at random on the rectangular region . What is t...

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  17. A lot consists of 144 ball pens of which 20 are defective and the othe...

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  18. A game consists of tossing a one rupee coin 3 times and noting its out...

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  19. A die is thrown twice. What is the probability that: (i) 5 will not ...

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  20. Which of the following arguments are correct and which are not correct...

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