Question

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The total number of ways when 4-digit PIN formed if the first digit cannot be a 0. orbitW.S The total number of ways when a book club offers a choice of 4 books from a list of cow (A mohows how otomori maritonib ad m irewood to do 4. The table gives data of 500 students based on gender and whether or not they suffer from math anxiety (14 points) binne di bin 20 ( si notiv brata od

Answer 1

Solutions from given data Tobal no. of books = 7 Number of books offered by book club 4 The number of possible combinations at & stems are taken from ni n Items IS (hor) - 5040 24 * 6 5040 juy ta 2 35 كليا . So, the number of ways a member can select y makes from available 7 books es ~ 35 ways,