Question

Your e-tutor collected information from group of IOP2601 Students on how well they practiced self-care during the Coronavirus pandemic. To gather her data, she used validated Likert scale that had ten questions. She then represents you with a normally distributed population with a mean of 10, a standard deviation of 2 and 40 as the number of cases. 1. What is the students proportion of students with raw score of less than 4?
2. What is the percentage of students with raw score less than 14?
3. What is the number of students with raw scores of between 4 and 14?

Answer 1

1. 1/4

2. 25%

3. 20 students.