Calculate volume of the swim bladder as a percent of the total volume of the fish in order to reduce the average density of the fish from 1:067g=cm3 to 1:026g=cm3.

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.