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Mathematics, 31.08.2021 01:50 tonio638
Graduate Problem A computer system uses passwords that contain exactly eight characters, and each character is one of the 26 lowercase letters (a-z) or 26 uppercase letters (A-z) or 10 integers (0-9). Assume all passwords are equally likely. Let A and B denote the events that consist of passwords with only letters or only integers, respectively. Determine the following probabilities: (a) P(AUB) (b) P(A' UB) (c) P (Password contains exactly 1 or 2 integers) Therefore, P(exactly one integer or exactly two integers)=0.377 +0.254 - 0.630 2.5.8.
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Mathematics, 21.06.2019 23:50, kordejah348
Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p. mc) knowing that it is going to rain tomorrow, and going to bed before 9 p. md) knowing that you have a test in school tomorrow, and studying thw night before
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Graduate Problem A computer system uses passwords that contain exactly eight characters, and each ch...
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