Ajar contains 30 red marbles, 50 blue marbles, and 20 white marbles. if you select one marble from the jar at random, what is the theoretical probability of getting a marble that is not blue?

What could explain what happened when the time was equal to 120 minutes

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

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.