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A decision maker wishes to test the following null and alternative hypotheses using an alpha level equal to 0.05: H0 : μ1 - μ2 = 0
HA : μ1 - μ2 ≠ 0
The population standard deviations are assumed to be known.After collecting the sample data,the test statistic is computed to be z = 1.78
Using the p-value approach,what decision should be reached about the null hypothesis?
Sample Proportion
The fraction of individuals in a sample with a particular characteristic or trait.
Large-Sample Method
Statistical techniques that assume the sample size is large enough to rely on the normal distribution as an approximation for the distribution of sample statistics.
Relative Risk
A measure in epidemiology that compares the risk of a certain event occurring in one group versus another.
Appropriate Values
Values that are considered suitable or fitting for a specific context or calculations.
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