Answer:
Step-by-step explanation:
Given that that (X) the amount of time lapsed between consecutive trades on the New York Stock Exchange followed a normal distribution with a mean of 15 seconds.
i.e. X is normal with mean = 15 and unknown std deviation 
Given that
i.e. P(
z=-1.475 (from normal table)
Hence 
Using this we find P(X>17) = 
The answer would be <em>29.5562243957</em>.
Answer: 40
Step-by-step explanation:
You will take the miles he drove and divided it by the time it took him to get there
320/8=40
Answer:
(0, -3), (2, 1)
Step-by-step explanation:
Solve this by solving for the first variable in one of the equations, then substitute the result into the other equation.
Answer:
need a pic to see
Step-by-step explanation:
