Malaika-e-zain
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#1
Calculating probabilities.?

In a test we calculated 80% confidence interval on one group and 90% confidence interval on the other group

.the true mean is 70. calculate the probability that A) true means lies within both confidence intervals
B) the true mean is outside both confidence intervals
C) the true means lies within one confidence level but outside the other.

Please help. So confused :confused:

thanks
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