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  1. Prepare
  2. Mathematics
  3. Probability
  4. B'day Gift
  5. Discussions

B'day Gift

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  • everythingbutfl1
     + 0 comments

    For a unique birthday surprise, consider choosing something personalized or an unforgettable experience. It highlights your thoughtfulness and makes the celebration truly special!

    You might also want to explore a gift store many offer amazing deals and creative options that could be just right for the occasion.

  • coelho_alv
     + 0 comments
    def solve(balls):
    r = 0
    n = len(balls)
    for i in range(0, n):
        # in half of the combinations (2**(n)), each ball is not picked
        # so we can compute its aggregated contribution to the final value as
				r += 2**(n-1)*balls[i] 
    ev = r/(2**n) # expected value
    return "%.1f"%ev
`

  • dawsonjames088
     + 0 comments

    For a unique birthday gift, consider something personalized or an experience they'll never forget. It shows thoughtfulness and makes the day extra special!

    Also, have you checked out the free gifts on Temu. They have some amazing deals and offers that could be perfect for this occasion!

  • dawsonjames088
     + 0 comments

    For a unique birthday gift, consider something personalized or an experience they'll never forget. It shows thoughtfulness and makes the day extra special!

    Also, have you checked out the free gifts on Temu They have some amazing deals and offers that could be perfect for this occasion!

  • rowlandwebb
     + 0 comments

    c#

    public static double solve(List balls)

    {
    return Math.Round((balls.Sum())/2.0, 1);
}