What is the answer, please?
A group of students at a school takes a history test. The distribution is normal with a mean of 25, and a standard deviation of 4.
a) Everyone who scores in the top 30% of the distribution gets a certificate. What is the lowest score someone can get and still earn a certificate?
b) The top 5% of the scores get to compete in a statewide history contest. What is the lowest score someone can get and still go on to compete with the rest of the state?
a) Lowest score =... View the full answer
- Thank you so much!
- Nov 01, 2018 at 12:49pm