Suppose that 6% of the people with blood group O are left handed and 10% of those with other blood groups are left handed, 30 % of the people have blood groups O. If a left handed person os selected at random, what is the probability that he/she will have blood group O?

Explanation

To solve the problem, we will use Bayes' theorem to find the probability that a randomly selected left-handed person has blood group O.

### Step-by-Step Solution:

1. **Define Events:**
- Let \( E_1 \): the event that a person has blood group O.
- Let \( E_2 \): the event that a person has some other blood group.
- Let \( E_3 \): the event that a person is left-handed.
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