Step 1: Understanding the Probability.
There are 365 days in a year (ignoring leap years), and each person has an equal chance of being born on any of these days. For the probability that Ram and Syam will have the same birthday, the first person (Ram) can have his birthday on any of the 365 days, but for Syam to have the same birthday, he must be born on the same day as Ram.
Step 2: Probability Calculation.
The probability that Syama's birthday matches Rama's birthday is: \[ P(\text{same birthday}) = \frac{1}{365} \] However, for both to have the same birthday, the event happens only after considering the first personas (Ram's) birthday choice, so the probability is \( \frac{364}{365} \) for Syam.
Step 3: Conclusion.
Thus, the probability that both Ram and Syam will have the same birthday is: \[ P(\text{same birthday}) = \frac{364}{365} \]
Based upon the results of regular medical check-ups in a hospital, it was found that out of 1000 people, 700 were very healthy, 200 maintained average health and 100 had a poor health record.
Let \( A_1 \): People with good health,
\( A_2 \): People with average health,
and \( A_3 \): People with poor health.
During a pandemic, the data expressed that the chances of people contracting the disease from category \( A_1, A_2 \) and \( A_3 \) are 25%, 35% and 50%, respectively.
Based upon the above information, answer the following questions:
(i) A person was tested randomly. What is the probability that he/she has contracted the disease?}
(ii) Given that the person has not contracted the disease, what is the probability that the person is from category \( A_2 \)?