The number of automobiles crossing a certain intersection during any time interval of length t minutes between 3:00 P. M. and 4:00 P. M. has a Poisson distribution with mean t. Let W be time elapsed after 3:00 P. M. before the first automobile crosses the intersection. What is the probability that W is less than 2 minutes

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Is the square root of 4 plus the square root of 16 rational?

Which best describes a central bank's primary goals? limiting inflation and reducing unemployment reducing unemployment and maintaining cash flow controlling stagflation and reducing unemployment managing credit and ensuring the money supply's liquidity