Kennedy draws a card from a full 52-card deck. The card's suit is observed, and then she returns the card to the pack and the deck is shuffled. Kennedy repeats this process two more times. What is the probability of Kennedy selecting three hearts?

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

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