Bought 30 t-shirts at a closing store 20%were blue and .5 of the t shirts were black how many if the shirts were neitger black nor blue

What does the sign of the slope tell you about a line?

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

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.