How many strings of five ASCII characters contain the character @ (“at” sign) atleast once? Note: There are 128 different ASCII characters
Question
Solution 1
To solve this problem, we can use the principle of inclusion-exclusion.
Step 1: Calculate the total number of strings of five ASCII characters. Since there are 128 different ASCII characters, and each character in the string can be any of these 128 characters, the total number of such strings is 1 Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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