A random sample of 49 lunch customers was taken at a restaurant. The average amount of time the customers in the sample stayed in the restaurant was 33 minutes. From past experience, it is known that the standard deviation equals 10 minutes. With a .99 probability, how large of a sample would have to be taken to provide a margin of error of 2.5 minutes or less?

Can (2,3 and square root 10) be sides ona right triangle?

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.

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u