Vaughan Luna
04/13/2024 · High School
How many passwords are possible if digits may not be repeated? There are five tiles in a bag, labeled W, O, R, D, and S. A tile is chosen at random and then another tile is chosen at random. Determine whether the following events are independent or dependent. (Ex4) Choose W and then choose S , if the first tile is replaced before the f. Second tile is chosen. g. Choose W and then choose S , if the first tile is not replaced before the second tile is chosen. h. There are 9 players in a starting baseball lineup. How many ways can batting positions 1,2 , and 3 be filled, choosing from 9 players?
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1. The number of 4-digit passwords without repeating digits is 5040.
2. Choosing W and then S with replacement is independent, and without replacement is dependent.
3. There are 504 ways to fill batting positions 1, 2, and 3 from 9 players.
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