1000 students took a test and the scores are normally distributed, with a mean of 76 and standard deviation of 5. Approximately how many students scored between 81 and 86?
O 40
• 140
O 340
O 500
О 680
34%
Hello…
Kindly refer to the Normal Distribution Chart. 14% of the students will fall in 81-86 range which means 140. Thank you