The probability distribution for the number of students in Statistics classes offered at a small college is given, but one value is missing. Fill in the missing value, then answer the questions that follow. P(X) X 24 25 26 0.16 0.2 0.23 27 28 0.18 Find the mean number of students in a Statistics class at the college: Find the standard deviation of the number of students in a Statistics class at the college