Can someone please help me

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Why do interests rates on loans to be lower in a weak economy than in a strong one

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?