A teacher asks her students to write down the number of hours studied, rounded to the nearest half hour. She compiles the result
s and develops the probability distribution below for a randomly selected student. What is the mean of the probability distribution? Probability Distribution
Hours Studied: X
Probability: P(X)
0.5
0.07
1
0.2
1.5
0.46
2
0.2
2.5
0.07
