✓ 2 MARKS
Very Short Answer
🔥 APPEARED IN 3 BOARD SETS
Two balls are drawn at random from a bag containing 2 red balls and 3 blue balls, without replacement. Let the variable X denotes the number of red balls. Find the probability distribution of X.
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2022 | Series 65-1 | Set 1 | Question 5 |
| CBSE 2022 | Series 65-1 | Set 2 | Question 3 |
| CBSE 2022 | Series 65-1 | Set 3 | Question 2 |
02 // OFFICIAL CBSE MARKING SCHEME BREAKDOWN
- 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)