What is the wavelength of a proton traveling at a speed of 6.21 km/s? what would be the region of the spectrum for electromagnetic radiation of this 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.