At a local animal shelter there are 12 small size dogs and 5 medium size dogs every day the small dogs are each given 12 1/2 ounce of dry food medium size dogs are each getting 12 ounces of the same dry food how many pounds of dry food does The shelter served in one day?

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?