Exploring Normal Distribution in IB Mathematics

What are the three types of distributions mentioned in the AI SL course?

What is the shape of the normal distribution curve commonly known as?

What percentage of data lies between one standard deviation below and above the mean in a normal distribution?

What does the total area under the normal distribution curve represent?

In the context of test scores, what does a smaller standard deviation indicate?

What score is one standard deviation above the mean in the given example?

How is the probability of a student scoring more than 54 calculated using a calculator?

What is the probability of a student scoring more than 54, as calculated in the example?

What does the inverse normal command calculate in the context of the example?

What score corresponds to the 20th percentile in the given example?