GCSE Secondary Maths Age 13-17 - Probability & Statistics: Probability - Explained

The video tutorial explains how to calculate probabilities using a table of pen colors. It covers determining the number of black pens by multiplying the total number of pens by the probability of selecting a black pen. It also demonstrates finding the probability of selecting a green pen by subtracting the sum of other probabilities from one. The tutorial emphasizes that probabilities can be expressed as percentages, fractions, or decimals, but not as ratios.

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