What is the study of the strength and orientation of earths magnetic field

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

A( developed during the process of technology design

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.