Practice Summary Table - 9 | 4. Normal Distribution | IB Class 10 Mathematics – Group 5, Statistics & Probability
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9 - Summary Table

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What are the two parameters that define a Normal Distribution?

💡 Hint: Think about what shapes the curve of the Normal Distribution.

Question 2

Easy

What is the total area under the curve of a Normal Distribution?

💡 Hint: Consider how probabilities are represented under the curve.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What are the three key properties of a Normal distribution?

  • Symmetric
  • bell-shaped
  • total area = 1
  • Skewed
  • peak at extremes
  • total area = 1
  • Flat
  • total area = 2
  • average = median

💡 Hint: Think about the properties of bell-shaped curves.

Question 2

True or False: The Empirical Rule states that 95% of data falls within 3 standard deviations from the mean.

  • True
  • False

💡 Hint: Remember the 68-95-99.7 rule!

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A population of adults has a mean height of 68 inches and a standard deviation of 3 inches. What proportion of adults are taller than 72 inches?

💡 Hint: Use the Z-score to find the upper tail probability.

Question 2

If the scores on a standardized test are normally distributed with μ = 500 and σ = 100, what score corresponds to the 95th percentile?

💡 Hint: Look up Z for the 95th percentile and use the conversion formula!

Challenge and get performance evaluation