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Question

1.  Given two normally distributed samples with equal means and variances of σ122212 

= 100 and σ =80 what is the probability that sample sizes of 25 and 16 will yield a difference greater than or equal to 8, µ?. 

2.Given two normally distributed samples with equal means and variances of σ12 = 240 and σ22 = 350 what is the probability that sample sizes of 40 and 35 will yield a difference greater than or equal to 12, µ12?

 

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1.Given two normally distributed samples with equal means and variances of 1 2 = 100 and 2 2 =80 what is the probability that sample sizes of 25 and
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