In a certain section of southern california, the distribution of monthly rent for a one-bedroom apartment has a mean of $2,200 and a standard deviation of $250. the distribution of the monthly rent does not follow the normal distribution. in fact, it is positively skewed. what is the probability of selecting a sample of 50 one-bedroom apartments and finding the mean to be at least $1,950 per month? (round z value to 2 decimal places and final answer to 4 decimal places.)