Question

You want to know who CMC students will be voting for in the upcoming election. You randomly select 50 students and record the following:

27- Biden

20- Trump

3- Undecided or Other

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a. Construct a 95% Confidence interval for the proportion of students voting for Biden

b. Interpret the Interval.

Let's say you wanted your margin of error for the CMC voters to be only 5%. How many students would you have to survey if (still at 95% confidence):

(You know nothing about the percentage of Biden Supporters). Round up to the nearest whole number.

Let's say you wanted your margin of error for the CMC voters to be only 5%. How many students would you have to survey if (still at 95% confidence):

(You are using .54 as your estimate for the proportion of Biden supporters). Round up to the nearest whole number

Answer 1