CBU recently surveyed 500 first year students on what kind of device they purchased for online class. The table below shows the results of the survey

Desktop Laptop Tablet No Device Science 90 30 10 0 Business 80 110 70 5 Arts 10 20 60 15

Using these results determine the probability, as a percentage, of:

Being a business student: Answer %

Purchasing a desktop: Answer %

Being an arts student and purchasing a laptop: Answer %

Being a science student or purchasing a tablet: Answer %

Purchasing a tablet given you are an arts student: Answer