Calculate a 90% confidence interval for each candidate?

Question 2 (8 pts.) The Yellow Party is now trying to decide who should be their party leader to represent them in elections. The two leading candidates are Noam and Ariel. The Yellow Party conducts a poll of 100 of its members to determine how they feel about the two .- . candidates. The average approval for Noam (on a 10 point scale) is 7.5 with a'standarcl' deviation of 1 .g, while the average approval for Ariel is 6.6 with a standard deviation of