This math topic focuses on calculating the number of possible arrangements of letter tiles when some letters are repeated. Specifically, it delves into the ways to order 4-letter words with 2 repeating letters, employing foundational concepts in probability and binomial notation. The sample words discussed include 'MAMA', 'PEEP', 'NOON', and 'COCO', each examining distinct scenarios of repeat letters. This forms a part of learning about probability and statistics within the introduction to binomial notation.
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How many ways can these letter tiles be ordered to spell 'NOON'?
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