The blackjack hand consists of:
One of the four aces: probability = 4 / 52
One of the sixteen cards valued at 10 points (10, jack, queen, king): probability = 16 / 52
Assuming cards are dealt sequentially without replacement,
The total probability of a blackjack hand is:
<span>P = (first card ace * second card 10-point) + (first card 10-point * second card ace)</span>
P = (4 / 52) * (16 / 51) + (16 / 52) * (4 / 51)
P = 0.04827, or approximately 4.83%
Therefore, the chance of receiving a blackjack hand is around 4.83%.