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3.independent random samples of n1 = 233 and n2 = 312 are selected from two population and used to test the hypothesis Ho : (u1
3.independent random samples of n1 = 233 and n2 = 312 are selected from two population and used to test the hypothesis Ho : (u1 - u2) = 0 against the alternative H : (u1 - u2)< 0. what the p value?
a) .0643
b) .0625
c) .0599
d) .0575
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