Please help me with this problem I been stuck in this problem for 45 min and don't know how to go about it ????

7. With a perfectly balanced roulette wheel, in the long run, red numbers should turn up 18 times in 38. To test its wheel, one casino records the results of 7, 600 plays, finding 3,810 red numbers. Is that too many reds? Or chance variation? a. Formulate the null and and alternative hypotheses as statements about a box model. b. The null says that the percentage of reds in the box is . The alternative says that the percentage of reds in the box is Fill in the blanks, and provide justification for your answers. c. Compute z and P. d. Were there too many reds