Exactly 50% of the area under the normal curve lies to the left of the mean.
True
False

**True.**

In a normal distribution (or bell curve), the mean divides the curve into two equal halves. Since the normal curve is symmetric about the mean, 50% of the area lies to the left of the mean, and 50% lies to the right.

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Here are five related questions:
1. What are the properties of a normal distribution?
2. How is the standard deviation related to the normal distribution?
3. What does the empirical rule (68-95-99.7 rule) state about the normal curve?
4. How do you calculate probabilities for values above or below the mean?
5. What is the significance of the z-score in a normal distribution?

**Tip:** The total area under the normal curve is always equal to 1, which corresponds to 100% probability.

Discover why 50% of the area under the normal curve lies to the left of the mean. This solution explores the symmetry of the normal distribution and key concepts in statistics and probability. Suitable for students in Grades 9-12.

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