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Given a probability density function find the mean, median and mode of the distribution.

Scale Invariance

By exploring the concept of scale invariance, find the probability that a random piece of real data begins with a 1.

Into the Exponential Distribution

Get into the exponential distribution through an exploration of its pdf.

Circle pdf

Age 16 to 18 Challenge Level:
Think what properties probability density functions must have.

You will need to use the formula for the area of a sector of a circle.