This question has been answered but I need to make sure and I need this part "To show your work, give your calculator command as well as sketch that has been labeled and shaded appropriately.

4. A) Use the situation described in 3A) above and find the probability that an individual income from the population is greater than $90,000. In other words, find P(X > 90000). To show your work, give your calculator command as well a sketch that has been labeled and shaded appropriately.

Use the situation described in 3A) above to find the probability that the mean of a sample of size 4 is greater than $90,000. In other words, find P(> 90000). To show your work, give your calculator command as well a sketch that has been labeled and shaded appropriately