Researchers have set up the following hypothesis test: Ho: = 190 Ha: 190 A simpl

Question

Researchers have set up the following hypothesis test:
Ho: = 190
Ha: 190
A simple random sample is drawn from the target population and a 98% confidence interval of (140.38 to 191.18) is calculated. From the following choices, the correct statistical decision is:

---Select--- Fail to reject Ho at a significance level of 0.02  

Fail to reject Ho at a significance level of 0.01  

Fail to reject Ho at a significance level of 0.04

  Reject Ho at a significance level of 0.02  

Reject Ho at a significance level of 0.01  

Reject Ho at a significance level of 0.04

Explanation / Answer

Alpha = .02 ( 100%-98%)
We say that 190 the true mean is inside the confidence and not outside
Therefore we fail the null hypothesis.

So, the answer is : Fail to reject Ho at a significance level of 0.02

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