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Date Page Solution! Given that, X- 27463 6=1348 n = 40 M - 28000 x= o.ol The null and alternative hypothesis Ho! u=28000 Ha! l 28000 test This is right - tailed - Test statistic, z = X-4 z = 27463 – 28000 1348 / 140 z = -2.52 The test statistic 2 =-2.52 P-value = P (Z - 2.52) --P(Z <-2.52) = - 0.0059 P-value = 0.9941 0.99 41 0.01 P-value > L fail to reject the null hypothesis.
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