1. Each of the following proportions is based on survey responses. For each proportion, use the ±2 shortcut to determine the 95% CI.
1. When asked if they are a government employee, .20 said “yes” (n = 121).
2. When asked if marijuana should be legal or illegal, .47 said “legal” (n = 100).
3. Of the individuals in a survey, .40 still live in the same city they lived in when they
were 16 years of age (n = 225).