Alma wants to prove to her parents that listening to music while she studies for her tests will her get better grades. she decides to ask 15 of her friends if they listen to music while they study for tests and what their grades are. she finds that her friends who have high grades also listen to music while they study for tests. she tells her parents that she has proven that listening to music while studying for tests will cause her grades to improve. what mistake has alma made?

What’s the volume of the triangular prism?

Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days

A. the following events are mutually exclusive: living in california and watching american idol. true or false b. the number of patients seen by an outpatient practice is an example of a discrete random variable. true or false c. the law of large numbers states that as the number of times an event experiment is conducted increases, the likelihood of the actual probability of an event approaching the theoretical probability decreases. true or false d. measuring the time it takes for patients to enter the operating room is an example of a continuous random variable. true or false