The Ministry of Agriculture tested 105 fuel samples for accuracy of the reported octane level.For premium grade,14 out of 105 samples failed (they didn't meet specifications).The 99% confidence interval for the true population proportion of premium grade fuel-quality failures would be _____.
A)[.045,.221]
B)[.068,.198]
C)[.023,.115]
D)[.048,.219]
E)[.100,.276]

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The Answer of The Ministry of Agriculture tested 105 fuel samples for accuracy of the reported octane level.For premium grade,14 out of 105 samples failed (they didn't meet specifications).The 99% confidence interval for the true population proportion of premium grade fuel-quality failures would be _____.
A)[.045,.221]
B)[.068,.198]
C)[.023,.115]
D)[.048,.219]
E)[.100,.276]

The Ministry of Agriculture Tested 105 Fuel Samples for Accuracy