A scientific theory provides an explanation of observed phenomenon. An example of a scientific theory would be
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O Darwin's theory of evolution.
O Walker's theory of attendance.
O Newton' law of motion.
O Hubble's law of cosmic expansion.

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.