A firm produces light bulbs that are known to be normally distributed with a mean lifetime of 1200 hours and a standard deviation of 210 hours. What is the probability that a simple random sample of 100 bulbs will yield a mean that falls between 1140 and 1260 hours.
Answers
Answered by
0
Answer:
sorry I didn't have any answers
Similar questions
Physics,
4 months ago
Social Sciences,
4 months ago
Math,
8 months ago
English,
8 months ago
English,
1 year ago