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12-75.

From the spades in a deck of cards, four are selected. Find the probability that: Homework Help ✎

Use combinations to solve this problem.
For a review of Combinations see the Math Notes box in Lesson 10.1.1.

  1. Exactly one card is a “face” card (Jack, Queen, or King).

    There are face cards, choose .
    Then choose more cards for the that are not face cards.

  2. The four cards can be rearranged to form a sequence .

    How many possible sequences of cards are there in the spades?
    (Example: )