Brandon invested his 2400 stimulus check in a savings account earning 1% simple interest each year. how much is his investment worth after 2 years? please answer fast. (everyone keeps on saying 4,802 but that's not the right answer)

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.