Question: n testing the difference between the means of two normal populations with known 1and 2.The observed value of the test statistic calculated from two independent

n testing the difference between the means of two normal populations with known 1and 2.The observed value of the test statistic calculated from two independent random samples equals 2.56. At 5% level of significance, the conclusion should be:

Select one:

a not to reject the null hypothesis.

b the test is inconclusive.

c reject the null hypothesis.

d None of these choices are correct.

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