The Distribution of Scores for the Third Exam in a Statistics

question 120

Short Answer

The distribution of scores for the third exam in a statistics course has a mean of 74 and a standard deviation of 15. A random sample of 36 exam papers is selected.
What is the probability that the sample mean is higher than 77?
______________

---

Definitions:

Mercury

A chemical element with symbol Hg and atomic number 80, known as quicksilver, which is a liquid metal at room temperature.

Expectant Mothers

Women who are pregnant and anticipating the birth of their child.

High Levels

A term that can refer to a high degree or intensity of something, such as high levels of pollution, stress, or achievement.

Neural Tube

The embryonic structure that eventually develops into the brain and spinal cord in vertebrates.