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 cements P(X) 21 0.11 ss Central 22 0.15 23 0.18 or 24 es 25 0.13 ssions Find the mean number of students in a Statistics class at the college: es le Find the standard deviation of the number of students in a Statistics class at the college: bus Question Help: Message instructor Submit