Please help I’ll mark you as brainliest if correct !!

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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.

What is the prime factorization of 230