Which of the following are compound events? Check all that apply
drawing an ace and then a king from a deck of cards
drawing a red card from a deck of cards
rolling a 1 on a number cube and then tossing a coin and landing on tails
choosing a banana, then an apple, and then an orange from a fruit basket
choosing a dime from a piggy bank

Stu and ambrose are working together on a study of whether diet is related to students' mental health. first, they randomly select 10 students from the student center and 10 students from the office of counseling and psychological services. then, they ask students to rate their diet in terms of healthiness on a scale of 1-100 before completing a 20-item mental health survey. a) name one of the constructs being studied b) how was the construct you named above operationally defined in this experiment? e) was the variable you described above their independent variable, their dependent variable, or a controlled variable? d) what is a confounding variable? what is a potential confound in this study?