3. A normally distributed population has mean 1,214 and standard deviation 122. a. Find the probability that a single randomly selected element X of the population is between 1,100 and 1,300. b. Find...

Extracted text: 3. A normally distributed population has mean 1,214 and standard deviation 122. a. Find the probability that a single randomly selected element X of the population is between 1,100 and 1,300. b. Find the mean and standard deviation of X for samples of size 25. c. Find the probability that the mean of a sample of size 25 drawn from this population is between 1,100 and 1,300. of o voriotLof 22 with otondord Supnege number of dove te