10 points for anyone who answers this question. A cylindrical pipe made up of metal 3meters long is 3centimeters thick. If the internal radius of the pipe is 10cm, what is the volume of metal used in making the pipe.

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?