Thousands of fluorescent light bulbs have been made at a factory. It is desired to determine the mean of all the light bulbs. A random sample of 70 fluorescent light bulbs has a mean life of 610 hours. Assume the population standard deviation is 36 hours.
TASK Respond to at least two of your classmates’ posts. Responses to your peers must be substantive and should critique their solutions to help them correct or improve their work. Do not solve the problem for them if they have posted incorrect work. Replies to your professor that are required to correct or clarify your […]