10.30 A random sample of size n1 = 25, taken from a normal population with a standard deviation o1 = 5.2, has a mean r1 = 81. A second random sample of size n2 = 36, taken from a different normal population with a standard deviation 02 = 3.4, has a mean $2 = 76. Test the hypothesis that /1 = /2 against the alterna- tive, u1 / u2. Quote a P-value in your conclusion

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