The answer choices below represent different hypothesis tests. Which of the choices are one-tailed tests? Select all correct answers.
Select all that apply:
H0:p=0.13, Ha:p≠0.13
H0:p≤0.44, Ha:p>0.44
H0:p≥0.18, Ha:p<0.18
H0:p=0.27, Ha:p≠0.27
H0:p=0.26, Ha:p≠0.26
Solution:
In one tailed test the direction of alternative hypothesis is specified i.e. in the alternative hypothesis the value of the parameter is less than a particular value or in the alternative hypothesis the value of the parameter is greater than a particular value.
In the given options two tests are one tailed test, and those tests are given below.
H0:p≤0.44, Ha:p>0.44 (one-tailed test)
H0:p≥0.18, Ha:p<0.18 (one tailed test)
Hence, 2nd and 3rd options are correct.
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