Sound travels at 5.6 X 10^3 m/s through a steel rod. If the frequency of the waves is 2480 Hz, what is the wavelength?

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.