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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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The correct Answer is:
i] `1/2`
ii] `1/2`
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ZEN PUBLICATION-PROBABILITY-TEXTUAL EXERCISES (14.1)
  1. A bag contains lemon flavoured candies only. Malini takes out one cand...

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

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  3. A bag contains 3 red balls and 5 black balls. A ball is drawn at rando...

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

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

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  6. Gopi bus a fish from a shop for his aquarium. The shopkeeper takes out...

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

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

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  9. One card is drawn from a well-shuffled deck of 52 cards. Find the pr...

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  10. Five cards - the ten , jack , queen , king and ace of diamonds, are we...

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  11. 12 defective pens are accidentally mixed with 132 good ones. It is not...

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  12. A lot of 20 bulbs contain 4 defective ones. One bulb is drawn at rando...

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  13. A box contains 90 dices which are numbered from 1 to 90. If one dise i...

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  14. A child has a die whose six faces shows the letters as given below: ...

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  15. Suppose you drop a die at random one the rectangular region shown in t...

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  16. A lot consists of 144 ball pens of which 23 are defective and the othe...

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  17. Two dice, one blue and one grey, are thrown at the same time. i] Wri...

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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 come u...

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

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