A golf ball is selected at random from a golf bag. If the golf bag contains 3 red balls, 5 green balls, and 10 yellow balls, find the probability of the following event. The golf ball is red or green.

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Which of the following vectors are orthogonal to (2,1)? check all that apply