Question 25
A factory produces light bulbs whose lifetimes have mean hours and standard deviation hours. A quality inspector randomly selects bulbs and computes the sample mean lifetime. Based on the above data, answer the given subquestions.
A factory produces light bulbs whose lifetimes have mean hours and standard deviation hours. A quality inspector randomly selects bulbs and computes the sample mean lifetime. Based on the above data, answer the given subquestions.
A written answer, not marked automatically.
Question 25 of 25 in the IIT Madras BS Statistics for Data Science II (Stats 2) Quiz 2 paper sat on 12 Apr 2026, in the January 2026 term (Statistics2 06 Apr 26). It carries 1 mark.