1. 6dices are thrown 729 times, how many times do you expect atleast 3 dices to show 5 0r 6. find probablity of
- Atleast 3 dices show 5 0r 6
- more than one dice show 5 or 6
2. 20% of reading obtained by voltmeter used in lab are inaccurate if 10 reading are taken at random using the voltmeter find the probability that
- Exactaly 2 reading will be inaccurate
- not more than 2 reeading will be inaccurate
- At least 9 reading will be inaccurate
- if 20 stud take reading each how many ofthem are likely to get less than 3 in accurate reading
3. During war one ship out of nine was sunk on an average in making a certain voyage,what was the probability that exactaly 3 out of a convoy of 6 ships would arrive safely
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