Please solve these one by one and please show work under them worth points 2) Write the data collected in step 1 as a ratio in three different forms.
3) Write it in simplest form.
4) Write two equivalent ratios.
5) Explain if in step 4 a proportion forms or not.
6) Use the definition of each (ratio, proportion) to show the difference.

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?

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b