Homework - Chapter 7 hapter 7 The rent for a one-bedroom apartment in Southern California has a mean of $2,200 per month and a standard deviation of $250 per month. A sample of 50 one- bedroom apartments is randomly selected. a. What is the probability that the sample mean is at least $2100 per month? Round answer to four decimal places. b. What is the probability that the sample mean is more than $2250 per month? Round answer to four decimal places. c. What is the probability that the sample mean is between $2100 and $2250 per month? Round answer to four decimal places. d. What is the probability that the sample mean is between $2100 and $2175 per month? Round answer to four decimal places. A/