Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.

# 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 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