Question: A bag contains 3 red , 5 blue , and 2 green marbles. you draw one marble , record the color , and replace it. If you repeat this 100 times , what is the expected number of red marbles drawn?
A) 20
B) 30
C) 25
D) 35
Correct answer: B
Grade: 8 | Topic: Statistics and Probability | Difficulty: Hard | Standard: 8.SP.B.4