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. X P(X) 25 0.18 26 0.22 27 0.25 28 29 0.2 Find the mean number of students in a Statistics class at the college: 0.15 X Find the standard deviation of the number of students in a Statistics class at the college: Submit