If two uncharged objects are rubbed together and one of them acquires a negative charge, then the other one

Aphysical change is a change in the size, shape,, or stafe of matter true or false

The substances that are necessary for producing of certain hormones and that store and transport vitamins

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.