The university decided to conduct a satisfaction survey to assess the proportion of students likely to drop out. or change courses and, for that, a random sample of 900 students is selected. The result of this sample revealed that the number of students with a tendency to drop out or change courses was 50%. The 95% optimistic confidence interval for the proportion is approximately (Use ?? / 2 = ± 1.96)
The university decided to conduct a satisfaction survey to assess the proportion of students likely to drop out. or change courses and, for that, a random sample of 900 students is selected. The result of this sample revealed that the number of students with a tendency to drop out or change courses was 50%. The 95% optimistic confidence interval for the proportion is approximately (Use ?? / 2 = ± 1.96)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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The university decided to conduct a satisfaction survey to assess the proportion of students likely to drop out. or change courses and, for that, a random sample of 900 students is selected. The result of this sample revealed that the number of students with a tendency to drop out or change courses was 50%. The 95% optimistic confidence interval for the proportion is approximately (Use ?? / 2
= ± 1.96)
a)50% ± 3.11%.
b) 50% ± 3.80%.
c) 50% ± 1.00%.
d) 50% ± 2.60%.
e)50% ± 3.26%.
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