Suppose approximately 55% of all students study after midnight. For random sample of n=3n=3 students, let XX be the number of students that study after midnight.

1. Complete the following table for the binomial distribution of XX.

Keep at least 4 decimal places.

X X	P(X)P(X)
0
1
2
3

1. The expected value of X=X=
2. The standard deviation of X=X=