Identify one characteristic of exponential decay
a. a common ratio between 0 & 1
b. a common ratio greater than 1
c. a common difference less than 0
d. a graph that is an increasing curve

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Which is a graph of a proportional relationship?

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?