Question

The scores on a test are normally distributed with a mean of 110 and a standard deviation of 22. What is the score that is 3 standard deviations below the​ mean?

Answer 1

Answer:

Step-by-step explanation:

If the mean is 110, and the standard devaition is 22,

1 standard dev. below the mean is 110-22

2  standard dev below the mean is 110-22-22

3 standard dev below the mean is 110-22-22-22

Hope that helps!