Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What shape does the graph of a normal distribution form?
💡 Hint: Think about how you would draw it.
Question 2
Easy
True or False: The mean, median, and mode are always the same in a normal distribution.
💡 Hint: Consider how data balances around the center.
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 characterizes the normal distribution curve?
- Asymmetric shape
- Symmetrical shape around the mean
- Straight line
💡 Hint: Visualize the curve when thinking about this.
Question 2
True or False: The total area under the normal distribution curve is equal to 2.
- True
- False
💡 Hint: Recall the basis of probability.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A company finds that the length of time its employees work each day is normally distributed with a mean of 8.5 hours and a standard deviation of 0.5 hours. What is the probability that a randomly selected employee works between 8 and 9 hours?
💡 Hint: Remember to find the Z-scores first before referring to the Z-table.
Question 2
Explain how you would use the normal distribution to model the heights of plants in a garden, describing the steps to determine if the plant heights follow a normal distribution.
💡 Hint: Consider different characteristics of the plants and how you’d measure them.
Challenge and get performance evaluation