Why do people eat green beans?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955

Aday's production of 850 parts contains 50 defective parts. two parts are selected at random without r replacement. let the random variable x equal the number of defective parts in the sample. find the cumulative distribution function of x.