(a) 10 identical blocks are marked with '0' on two of them, '1' on three of them, '2' on four of them and '3' on one of them and put in a box. If $X$ denotes the number written on the block, then write the probability distribution of $X$ and calculate its mean. OR (b) In a village of 8000 people, 3000 go out of the village to work and 4000 are women. It is noted that 30% of women go out of the village to work. What is the probability that a randomly chosen individual is either a woman or a person working outside the village?

Year	Paper Code	Set	Position
CBSE 2025	Series 65-7	Set 1	Question 25
CBSE 2025	Series 65-7	Set 2	Question 21
CBSE 2025	Series 65-7	Set 3	Question 23

• Step 1: Stating the fundamental formula / law statement (+1 Mark)
• Step 2: Intermediate mathematical substitution or proof steps (+1 Mark)
• Step 3: Correct final value or conclusion with mandatory SI units (+1 Mark)