Tan2x-sin2x /x3 ( limit =0)

What's the difference between: x≥0 and nonnegative integer. ?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

The accompanying data represent the miles per gallon of a random sample of cars with a three-cylinder, 1.0 liter engine. (a) compute the z-score corresponding to the individual who obtained 42.342.3 miles per gallon. interpret this result.