Iam so !
find the values of a and b. the diagram is not to scale
a. a=115, b=71
b. a=115, b=65
c. a=109, b=71
d. a=109, b=65

Answer this question only if you know the 30 points and

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

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?