Two-tailed test; Given: H0: m = 90; H1: m ? 90; a = .01; zobt = 2.40; Based on the above information, we can

a. conclude that our sample outcome is statistically significant.
b. conclude that our obtained z falls within the region of rejection.
c. correctly reject the null.
d. Both a) and b) are correct.
e. None of the above is correct.


Ans: e

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