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Mail - M (no su X The M X SB NIST C X WG Rb Blackb X Untitle X in Gordo X f Gordo x G Gordo x Cenga x ALEKS X www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IBGBIH_OB3uhhqwxlXoS5SIQhuX6YjFjUgDFtOAHO_lep3thaqFrzeBO865lo4YrC0GmPn3Fuq8sDNB3CE O PROBABILITY Permutations and combinations: Problem type 2 Answer the questions below. (If necessary, consult a list of formulas.) (a) To log on to a certain computer account, the user must type in a 5-letter password. In such a password, no letter may be repeated, and only the lower case of a letter may be used. How many such 5-letter passwords are possible? (There are 26 letters in the alphabet.) (b) There are 14 European cities that Donald would eventually like to visit. On his next vacation, though, he only has time to visit 3 of the cities: one on Monday, one on Tuesday, and one on Wednesday. He is now trying to make a schedule of which city he'll visit on which day. How many different schedules are possible? (Assume that he will not visit a city more than once.) Explanation Check 2020 McGraw-Hill Education. All Rights Type here to search O # H A II Mail - M (no su X The M X SB NIST C X WG Rb Blackb X Untitle X in Gordo X f Gordo x G Gordo x Cenga x ALEKS X www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IBGBIH_OB3uhhqwxlXoS5SIQhuX6YjFjUgDFtOAHO_lep3thaqFrzeBO865lo4YrC0GmPn3Fuq8sDNB3CE O PROBABILITY Permutations and combinations: Problem type 2 Answer the questions below. (If necessary, consult a list of formulas.) (a) To log on to a certain computer account, the user must type in a 5-letter password. In such a password, no letter may be repeated, and only the lower case of a letter may be used. How many such 5-letter passwords are possible? (There are 26 letters in the alphabet.) (b) There are 14 European cities that Donald would eventually like to visit. On his next vacation, though, he only has time to visit 3 of the cities: one on Monday, one on Tuesday, and one on Wednesday. He is now trying to make a schedule of which city he'll visit on which day. How many different schedules are possible? (Assume that he will not visit a city more than once.) Explanation Check 2020 McGraw-Hill Education. All Rights Type here to search O # H A II
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