# Cxc Additional Math Sba Essay

Purpose of Project / Aim:

Probability is an educated thought or guess to determine if a particular event will occur. Probability is important to assist in making and predicting everyday decisions; the probability that a child will be born with sickle cell disease or the probability that crops will die are all important for the human survival.

The use of M&M’s is to substitute for the examples listed above to examine probability considering they are used in everyday life and are therefore readily accessible. When individuals consume M&M’s, they indentify particular colours and this can be related to probability.

Calculating the probability of a particular colour

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Conclusion:

The proportions of each colour in each bag of M&M’s were found to be uneven. The standard deviation of Cup 1, 2 and 3 were 5.41, 2.71 and 4.18 respectively.

This experiment was relatively simple; however, the mathematical methods used did not yield the expected results.

Although the experiment was not successful, reviewing has made clear some of the factors that may have contributed to the unsuccessfulness;

• The bags of M&M’s not having the same distribution in each varied the deviations as cup 2 was no where near the deviation of cup’s 1 and 3

• The combined number of data as mentioned earlier was being too far away from the theoretical probability for the overall