The mass of a solid cube with side length of 2 cm is 12 g. which is the closest to the density of the cube? show your work. a)0.67g/cm^3 b)1.5 g/cm^3. c) 3 g/cm^3 d) 60 g/cm^3

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?