The final letter grades earned by students in a large psychology class were converted to grade points in order to calculate the students' GPAs. An A = 4 points, a B = 3 points, etc. Let the random variable x = the grade point
earned by a randomly selected student. The probability distribution of X is given in the table
Grade Points
4
3
2
1
0
Probability
0.352
0.402
0.127
0.107
0.012
Find and interpret P(x 3).