Jae wants to find out what type of art her fellow students enjoy most. she ask her classmates, "what is your favorite type of art? "

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?

The price of one share of a company’s stock declined $13.89 every day for 2.5 days what was the stocks total decline in price