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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define Normal Distribution in your own words.
💡 Hint: Think about its shape and what the peak represents.
Question 2
Easy
What is the Empirical Rule?
💡 Hint: Consider the percentages and how they relate to standard deviations.
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 is the shape of the Normal Distribution?
- Square
- Bell-shaped
- Triangle
💡 Hint: Think about how its graph looks.
Question 2
True or False: In a Normal Distribution, the mean, median, and mode are all different.
- True
- False
💡 Hint: Think about what defining characteristics it has.
Solve 3 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A manufacturing plant produces light bulbs with a mean lifespan of 800 hours and a standard deviation of 50 hours. Calculate the probability that a light bulb lasts more than 850 hours.
💡 Hint: Consider using the Z-table to find areas and make your probability calculation.
Question 2
In a study, the test scores of students follow a Normal Distribution with a mean of 75 and a standard deviation of 10. What is the probability that a student scores between 70 and 80?
💡 Hint: Use the Empirical Rule or Z-table for required probabilities.
Challenge and get performance evaluation