6.) According to major league baseball rules, the ball must weigh between 5 and 5.25 ounces. A factory produces baseballs whose weights are normally distributed, with a mean of 5.11 ounces and a standard deviation of 0.062 ounces.

a.) What proportion of the baseballs produced by this factory are too heavy for use by MLB?b.) What proportion of the baseballs produced by this factory are too light for use by MLB?

c.) What proportion of the baseballs produced by this factory can be used by MLB

d.) If 8,000 baseballs are ordered, how many baseballs should be manufactured, knowing that some will need to be discarded?