Mathematics, 12.05.2021 07:50 Krch1401
A poll of 250 students found they studied an average of 48 minutes each evening with a standard deviation
of 8.4 minutes. Using a 90% confidence interval, what is the maximum error of estimate for the time spent
studying?
A
1.04
B
1.37
C
1.99
D
0.87
Answers: 3
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