Mathematics, 02.03.2020 04:50 fatherbamboo

A database system assigns a 32-character ID to each record, where each character is either a number from 0 to 9 or a letter from A to F. Assume that each number or letter being selected is equally likely. Find the probability that at least 20 characters in the ID are numbers. Use Excel to find the probability.

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A database system assigns a 32-character ID to each record, where each character is either a number...