Question 1
Suppose that a continuous random variable is uniformly distributed between and . The value of mean and variance of are 9 and 3 respectively. Based on the above data, answer the given subquestions.
Find the value of .
Question 2
Suppose that a continuous random variable is uniformly distributed between and . The value of mean and variance of are 9 and 3 respectively. Based on the above data, answer the given subquestions.
Find the value of . Enter the answer correct to two decimal place.
Question 3
The number of customer arriving at a bank counter follows a Poisson distribution with an average of 4 arrivals per hour. What is the probability that at least 2 customers arrives in 30 minutes? Enter the answer correct to two decimal places.
13 more questions in this paper
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More on the Stats 1 End Term 21 Dec 2025 paper
The IIT Madras BS Statistics for Data Science I (Stats 1) End Term paper sat on 21 Dec 2025, in the September 2025 term: 16 questions for 42 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 21 Dec 2025 at a glance |
|---|---|
| Term | September 2025 term |
| Subject | Statistics for Data Science I |
| Course code | BSMA1002 |
| Questions | 16 |
| Marks | 42 |
| Duration | 180 min |
| Written | 11 |
| MCQ | 4 |
| MSQ | 1 |
| Official paper | Statistics1 18 Dec 25 |
| Negative marking | No negative marking. |
| Updated |