If an isosceles triangle abc is dilated by a scale factor of 3, which of the following statements is not true?
a. the angles of triangle abc are congruent to the angles of a'b'c
b. the sides of triangle abc are congruent to the sides of a'b'c
c. triangle abc is similar to triangle a'b'c
d. a'b'c is arger than triange abc.

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?