The compressive strength of samples of cement can be modeled by a normal distribution with a mean of 6000

Question

The compressive strength of samples of cement can be modeled by a normal distribution with a mean of 6000

kilograms per square centimeter and a standard deviation of 100

kilograms per square centimeter. What is the probability that a sample’s strength is between 5800 and 5900 Kg/cm2?

Statistics and Probability