You will get brainliest if you are right

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.