Sarah paid $30 in interest to borrow $4800 for 3 months. what annual interest rate did sarah pay? a. 0.625% b. 1.875% c. 2.5% d. 7.5%

How do you find p(a and b) if a and b are independent events for two or more actions, such as tossing a coin twice and finding p(heads and heads)? 2. how do you find p(a or b) if a and b are independent events for one action, such as spinning a four-color spinner once and finding p(red or blue)?