Problem 7. A spyware tries to break into a system by trying at most 1 million...

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Problem 7. A spyware tries to break into a system by trying at most 1 million combinations. What is the probability of it breaking in if the password is (a) a combination of 6 different lower-case letters (b) a combination of 6 different upper- and lower-case letters (case sensitive) (c) a combination of any 6 upper- and lower-case letters (case sensitive) (d) a combination of any 6 characters (letters and digits) Problem 8 Among the employees of a firm, 70% know Java, 60% know Python, and 50% know both languages. What is the probability that a. Someone knows Java, given that they know Python as well? b. Someone knows Python, given that they know Java as well? Problem 7. A spyware tries to break into a system by trying at most 1 million combinations. What is the probability of it breaking in if the password is (a) a combination of 6 different lower-case letters (b) a combination of 6 different upper- and lower-case letters (case sensitive) (c) a combination of any 6 upper- and lower-case letters (case sensitive) (d) a combination of any 6 characters (letters and digits) Problem 8 Among the employees of a firm, 70% know Java, 60% know Python, and 50% know both languages. What is the probability that a. Someone knows Java, given that they know Python as well? b. Someone knows Python, given that they know Java as well?