IITM BS Question 12 - Week 5 Practice

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IITM BS Question 12 - Week 5 Practice | Prasnya

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Q12Comprehension2 Marks6 Apr 2026

Passage

A factory produces light bulbs whose lifetimes have mean

\mu=500

hours and standard deviation

\sigma=30

hours. A quality inspector randomly selects

100

bulbs and computes the sample mean lifetime. Based on the above data, answer the given subquestions.

Which of the following statements is correct about the distribution of the sample mean?

Q12

00:00

6 Apr 2026

Statistics 2 · Week 5

Q12.Which of the following statements is correct about the distribution of the sample mean?@passage

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