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Based on a Sample of Size 49 , A 95%95 \%

Question 5

Multiple Choice

Based on a sample of size 49 , a 95%95 \% confidence interval for the mean score of all students, μ\mu , on an aptitude test is from 59.259.2 to 64.864.8 . Find the margin of error.


A) 5.65.6
B) 0.780.78
C) 0.050.05
D) 2.82.8
E) There is not enough information to find the margin of error.

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