The test statistic of zequals negative 2.45 is obtained when testing the claim that pless than...
The test statistic of zequals negative 2.45 is obtained when testing the claim that pless than 0.68 . a. Using a significance level of alpha equals0.05 , find the critical value(s). b. Should we reject Upper H 0 or should we fail to reject Upper H 0 ??
Homework Answers
We have
Ho : p = 0.68 Vs H1 : p < 0.68
Z = -2.45
b) For a = 0.05 and left tailed test
Zcritical = Z0.05
Zcritical = -1.645
c) here t = -2.45 < -1.645
Decision is Reject the null hypothesis Ho
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