The points (out of 100) obtained by 28 students in a quiz are listed as below :
80, 10, 20, 60, 50, 50, 50, 10, 10, 90, 70, 80, 10, 50, 80, 30, 10, 80, 100, 100, 30, 40, 80, 70, 80, 90,20, 100
The number of students who obtained more than or equal to 50 points is _____

Options

A. 13
B. 18
C. 16
D. 17

Answer

To find the number of students who obtained more than or equal to 50 points from the given list, we will follow these steps:

### Step 1: List the scores
We have the following scores from the quiz:
80, 10, 20, 60, 50, 50, 50, 10, 10, 90, 70, 80, 10, 50, 80, 30, 10, 80, 100, 100, 30, 40, 80, 70, 80, 90, 20, 100

### Step 2: Identify scores that are 50 or more
We will go through the list and identify which scores are greater than or equal to 50.

- The scores that are 50 or more are:
- 80
- 60
- 50
- 50
- 50
- 90
- 70
- 80
- 50
- 80
- 80
- 100
- 100
- 80
- 70
- 80
- 90
- 100

### Step 3: Count the qualifying scores
Now we will count how many scores are 50 or more:
- 80 (1)
- 60 (2)
- 50 (3)
- 50 (4)
- 50 (5)
- 90 (6)
- 70 (7)
- 80 (8)
- 50 (9)
- 80 (10)
- 80 (11)
- 100 (12)
- 100 (13)
- 80 (14)
- 70 (15)
- 80 (16)
- 90 (17)
- 100 (18)

### Step 4: Conclusion
After counting, we find that there are **18 students** who obtained more than or equal to 50 points.

### Final Answer
The number of students who obtained more than or equal to 50 points is **18**.

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