Line ABC is a straight line.
Which describes the relationship between 21 and 22?
O 21 and 2 are complementary angles.
O 21 and 22 are supplementary angles.
o 21 and 22 are vertical angles.
O 21 and 22 are acute angles.

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?