Passage
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.
Question 12 of 83
Passage question
Est. 1 min
Marks+2.000.00
Question
Which of the following statements is correct about the distribution of the sample mean?
ComprehensionEasy Difficulty06 April 2026