values from the question: x = Answer n = Answer p̂ = Answer (four decimals) q̂ = Answer (four decimals)   CL = Answer%   What area does the confidence level represent? Answer Calculate the following values: α = Answer α/2 = Answer zα/2 = Answer (use the positive value, even if you calculate a negative answer) Use the appropriate formula to calculate the error to four decimal places: Answer What are the minimum and maximum values of the confidence interval? (three decimals) Min: Answer                             Max:Answer

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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A recent survey of Cambrian students asked their opinion on whether or not Cambrian should have a week-long break in the Fall semester.  Of the 320 students interviewed, 265 said that there should be a break in the Fall semester. 

Using a 95% confidence level, complete the following steps to determine the confidence interval.

(NOTE: All areas are reported to four decimal places; all z-scores are reported to two decimal places except the two special cases listed at the bottom of the table.)

Insert the following values from the question:

x = Answer

n = Answer

p̂ = Answer (four decimals)

q̂ = Answer (four decimals)
 
CL = Answer%
 
What area does the confidence level represent? Answer
Calculate the following values:
α = Answer

α/2 = Answer

zα/2 = Answer (use the positive value, even if you calculate a negative answer)

Use the appropriate formula to calculate the error to four decimal places: Answer

What are the minimum and maximum values of the confidence interval? (three decimals)

Min: Answer                             Max:Answer

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