In constructing a 90% interval estimate for the ratio of two population variances, 
, two independent samples of sizes 40 and 60 are drawn from the populations. If the sample variances are 515 and 920, then the lower confidence limit is:
A) 0.352
B) 0.341
C) 0.890
D) 0.918
E) 0.245
Correct Answer:
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