Question:

The scores on a certain test are normally distributed with a

Last updated: 7/19/2022

The scores on a certain test are normally distributed with a

The scores on a certain test are normally distributed with a mean score of 69 and a standard deviation of 4. What is the probability that a sample of 90 students will have a mean score of at least 69.4216? 0.1587 0.3174 0.3413 0.8413