A repairman services five washing machines each day. For each machine, there is a 50% chance that the repair will involve installing a specific part. Find the probability that at most one washing machine out of the five will need this part for installation.
A shopkeeper has five red, four black and two blue pens. A customer went to his shop and selects three pens at random. Find the total number of ways in which the customer can select the pens of different colours.
20
11
40
65
A box contains 10 red balls and 3 blue balls. Four balls are drawn at random from the urn without replacement. Let the random variable X denote the number of red balls that are drawn from the box. Find the possible values that X can take.
{1, 2, 3, 4}
{1, 2, . . . , 10}
{0, 1, 2, 3, 4}
{0, 1, 2, . . . , 10}
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The IIT Madras BS Statistics for Data Science I (Stats 1) End Term paper sat on 24 Dec 2023, in the September 2023 term, set ADD3: 15 questions for 40 marks in 180 minutes. The first 3 questions are below. Sign in with Google — it is free — to see the whole paper with its answers and explanations, in learning mode or as a timed mock test.
| Feature | Stats 1 End Term 24 Dec 2023 Set ADD3 at a glance |
|---|---|
| Term | September 2023 term |
| Subject | Statistics for Data Science I |
| Course code | BSMA1002 |
| Questions | 15 |
| Marks | 40 |
| Duration | 180 min |
| MCQ | 7 |
| MSQ | 1 |
| Numerical | 7 |
| Official paper | IIT M FOUNDATION FN EXAM FDF1 24 Dec 2023 |
| Negative marking | No negative marking. |
| Updated |
