Use the formula r = 6e12.77x, where x is the blood alcohol concentration and r, as a percent, is the risk of having a car accident. what blood alcohol concentration corresponds to a 50% risk of a car accident? round your answer to the nearest hundredth.

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice