statistics

Question 18 1 pts Compute the margin of error for the protein intake sample of n = 300 men, which has a sample mean (Xbar) of 77 grams and a standard deviation of s= 58 grams. O 6.4 0 7.2 O 18.3 O 117.2 Question 19 2.5 pts In a survey where 400 students were asked if they own a car, 240 replied that they did. Find the exact proportion of car owners. O 0.6 O 0.8 O 0.7 O 0.5