Which one would you choose???

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost

The solid that is formed and usually sinks to the bottom of a solution is the

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.