Westonci.ca is the best place to get answers to your questions, provided by a community of experienced and knowledgeable experts. Get immediate and reliable answers to your questions from a community of experienced professionals on our platform. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

Marissa is researching information about martial arts students. She found that 7 our of 12 martial artists practice every day. There are 144 martial arts students at a school.

a. Predict how many students practice every day.

b. what is the sample size?