Given a quadrilateral DEFG.

If ∠EDG is supplementary to , then DEFG is a parallelogram.

A. ∠EFG and ∠DEF
B. ∠DGF and ∠EFG
C. ∠DEF and ∠DGF

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?