You are performing a left-tailed z-test . If α=.005α=.005, and your test statistic is z=−1.79z=-1.79, do...
You are performing a left-tailed z-test .
If α=.005α=.005, and your test statistic is z=−1.79z=-1.79, do
you:
- fail to reject the null hypothesis
- reject the null hypothesis
Homework Answers
we are performing a left tailed z-test
so, P(z < -1.79) = 0.0367
given, 
If the p-value is less than or
equal to the alpha (p
), then we reject the null hypothesis, and we say
the result is statistically significant. If the
p-value is greater than alpha
(p > 
), then we fail to reject the null hypothesis,
and we say that the result is statistically nonsignificant.
In this cases, p-value is greater than alpha (p > 0.005), so, we fail to reject the null hypothesis
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