Hello guys I really need help is anyone available please and ty

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Ineed someone to me answer my question i have to have this done and knocked out