Probability

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. The experiments which when repeated under identical conditions produce the same results or outcomes are known as experiment.
2. If a random experiment is performed, then each of its outcomes is known as event.
3. The probability of selecting a rotten apple randomly from a heap of 900 apples is 0.18. Then the number of rotten apples in the heap is .
4. If the probability of winning a game is 0.3, then the probability of losing it is .
5. Total number of aces in a pack of 52 playing cards is .
6. A coin is tossed twice. The probability of getting both heads is 1x. The value of x is .
(Q7 - Q10) Fifty seeds were selected at random from each of 5 bags of seeds, and were kept under standardized conditions favorable to germination. After 20 days the number of seeds which had germinated in each collection were counted and recorded as follows:
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7. The probability of germination of more than 40 seeds in a bag is .
8. The probability of germination of more than 40 seeds in a bag is .
9. The probability of germination of 49 seed in a bag is .
10. The probability of germination of at most 40 seeds in a bag is .