xercises L00 re the follewing problems. 1. Amanufacturer of light bulbs produces bulbs that last a mean of 950 hours with a standard deviation of 120 hours. What is the probability that the mean...

Find the finite population correction factor on the second picture with solution because I want to know if how to solve it . And also the first picture

Extracted text: xercises L00 re the follewing problems. 1. Amanufacturer of light bulbs produces bulbs that last a mean of 950 hours with a standard deviation of 120 hours. What is the probability that the mean lifetime of a random sample of 10 of these bulbs is less than 900 hours?


Extracted text: d. N-500, n 10 e. 200, n 20