The value of r2 for a relationship between distance (in miles) and the cost (in dollars) of a shuttle bus from a hotel to an airport is calculated using computer software. Identify and interpret the value of r2 by completing the sentence.

The value of r2=___ tells us that about___ of the variation in the ___ of the shuttle bus is accounted for by the linear relationship created with the _ of the shuttle bus.

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

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?

If g^-1(x) is the inverse of g (x) which statement must be true