A documentary showed rare breeds of birds being tagged in a specific area. The researches tagged 50 birds. When the researches returned they counted 600 birds, 10 of which had tags. What would be a good estimate of how many rare breed birds are in this area?

Find the sum of the following series. round to the nearest hundredth if necessary.

17 in long 1.3 ft wide and 8in high what is the volume

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?