4 & 5. Statistics, Quality Assurance and Calibration Methods - Part 1 of 2

4 & 5. Statistics, Quality Assurance and Calibration Methods / The Gaussian Distribution / Problem 5

Problem 5

In a clinical trial, the blood pressure of patients follows a Gaussian distribution with a mean of 120 mmHg and a standard deviation of 15 mmHg. What is the probability that a randomly selected patient has a blood pressure between 105 mmHg and 135 mmHg?

Approximately 99.7%

Approximately 50%

Approximately 68%

Approximately 95%