Question (Textile Technology & Fibre Science)
The probability of the standard normal variable taking values between 0 and 1 is 0.3413, between 0 and 2 is 0.4772, and between 0 and 3 is 0.4987. The average of marks in an examination is 68 and the standard deviation is 10. The percentage of examinees getting less than 48 marks is
| (A) | 2.28 |
| (B) | 10.31 |
| (C) | 47.72 |
| (D) | 52.78 |
[Show Answer]
Option A is correct