IITM BS Question 13 - Week 5 Practice

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IITM BS Question 13 - Week 5 Practice | Prasnya

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Q13Comprehension3 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.

Find the probability that the sample mean lifetime exceeds

506

hours. Enter the answer correct to two decimal places.

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Q13

00:00

6 Apr 2026

Statistics 2 · Week 5

Q13.Find the probability that the sample mean lifetime exceeds

506

hours. Enter the answer correct to two decimal places.@passage

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