Question: Please help find the value of the test statistic. 7. Using a sample size of n = 400. If o = 20 and x =

Please help find the value of the test statistic.

7. Using a sample size of n = 400. If o = 20 and x = 72.5, find the value of the test statistic. Consider the test Ho : p = 70 versus Ha : H > 70 O A. 2.3 O B. 2.5 O C. 1.8 O D. 2.25

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