The hоusing depаrtment оf а lаrge city mоnitors the rent for rent-controlled apartments in the city. Suppose the rent of a rent-controlled apartment follows a normal distribution with a mean of $2750 and a standard deviation of $650. Find the 75th percentile for the rent-controlled apartments in this city. [fill1] If a rent-controlled apartment is selected at random, what is the probability that the rent of that apartment will be less than $2000? [fill2] If we randomly select 25 rent-controlled apartments, what is the standard error of the sample average? [fill3] If we randomly select 25 rent-controlled apartments, what is the probability the average rent will be less than $2000? [fill4]