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2 cards from this section. Quick, good the night before a test.
What are the two parameters that define a Normal Distribution?
Think about what shapes the curve of the Normal Distribution.
What is the total area under the curve of a Normal Distribution?
Consider how probabilities are represented under the curve.
What are the three key properties of a Normal distribution?
Think about the properties of bell-shaped curves.
True or False: The Empirical Rule states that 95% of data falls within 3 standard deviations from the mean.
Remember the 68-95-99.7 rule!
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?
Use the Z-score to find the upper tail probability.
If the scores on a standardized test are normally distributed with μ = 500 and σ = 100, what score corresponds to the 95th percentile?
Look up Z for the 95th percentile and use the conversion formula!
6 more questions in this section. Enroll free to practise them all.
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