In most cases, yes, blackjack offers the best odds in a casino. This is largely because there are three outcomes here: a win, a loss, and a tie (push). Since the odds of a push rest at 8.48% and the chances of losing come in at 49.10%, the probability of winning a game of blackjack is high at 42.22%.
If the total is 16 or under, they must take a card. The dealer must continue to take cards until the total is 17 or more, at which point the dealer must stand.