Suppose we want to check the accuracy of self-reported diagnoses of angina by getting further medical records on a subset of the cases. If we have 10 reported cases of angina and we want to select 5 for further review, then how many ways can we select these cases if order of selection does not matter?
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Step 1: Calculate 10 factorial (10!) which is equal to 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = 3,628,800. Show more…
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