Question 7 Hello I need the answers to all parts of this problem please, thank you

Question 7. 20.CE.29 > HW Score: 62.45%, 10.62 of 17 points Part 1 of 3 9 Points: 0.75 of 1 @ In 1996. researchers investigated the effect of weed- herbicides were used regulariy. dia killing herbicides on house pets. They examined 804 cats from homes where gnosing malignant lymphoma in 431 of them. Of the 149 cats from homes where no herbicides were used. only 16 were found to have lymphoma. a) What is the standard error of the difference in the two proportions? b) Create a 90% condence interval for this difference. c) State an appropriate conclusion