3. You need to pick up a book off the floor and place it on a tabletop. You do 1.56) of work to lift the book with a force of 300N. What is the distance?

The weights of bags filled by a machine are normally distributed with a standard deviation of 0.05 kilograms and a mean that can be set by the operator. at what level should the mean weight be set if it required that only 1% of the bags weigh less than 9.5 kilograms? round the answer to 2 decimal places.