The age of children in kindergarten on the first day of school is uniformly distributed between 4 97 and 5 77 years old A first time kindergarten child is selected at random Round answers to 4 decimal places if possible a The mean of this distribution is 5 37 b The standard deviation is c The probability that the the child will be older than 5 years old d The probability that the child will be between 5 07 and 5 27 years old is e If such a child is at the 88th percentile how old is that child years old