Question

# In order to find out the probability that a student will bring a car to campus,...

In order to find out the probability that a student will bring a car to campus, 100 students are polled. Of those students, 85 have cars to bring to campus.

1. For the 95% confidence level, find the error, E, for the confidence interval (round your answer to two decimal places). **ANSWER IS NOT .04

2.Which of the following is the correct interpretation of the confidence interval? (Select All That Apply)

a) We are 95% confident the proportion of students who will bring their car to campus is larger than .78.

b) We are 95% confident the proportion of students who will bring their car to campus is between .78 and .92.

c) We are 95% confident that the probability that a random student will bring a car to campus is between .78 and .92

d) The proportion of students who will bring their cars to campus is between .78 and .92.

1.

2.

b) We are 95% confident the proportion of students who will bring their car to campus is between .78 and .92.

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