Find the probability that a non …
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Posted by Rohit R Mahatungade 7 years, 3 months ago
- 1 answers
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Naveen Sharma 7 years, 3 months ago
2) A non-leap year has 365 days
A year has 52 weeks. Hence there will be 52 Sundays for sure.
52 weeks = 52 x 7 = 364 days .
365– 364 = 1day extra.
In a non-leap year there will be 52 Sundays and 1day will be left.
This 1 day can be Sunday, Monday, Tuesday, Wednesday, Thursday,friday,Saturday, Sunday.
Of these total 7 outcomes, the favourable outcomes are 1.
Hence the probability of getting 53 sundays = 1 / 7.
1)
∴ probability of getting 52 sundays = 1 - 1/ 7 = 6 / 7.
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