An Industry has seven production employees (considered the portion) The hourly e

Question

An Industry has seven production employees (considered the portion) The hourly earnings of each employee arc 6, 6, 9, 9, 6, 5 and 8 in dollars. You are required to 1) compote the population mean, 2) using sampling technique of "combination", compute the sampling distribution of the sample mean for samples of size 2? A manufacturer claims that less than 1% of all its products do not meet the minimum government standards. A survey of 500 products revealed that 10 did not meet the standard. If the computed z-statistic is -1.960 and the level of significance is 0.01, What will be your decision.

Explanation / Answer

Answer for b.

Here Null Hypothesis : 1% of all his products donot meet the minimum government standards

Alternative Hypothesis : Less than 1% of all his products donot meet the minimum government standards

The z table value at 0.01 level of significane is 2.326

Conclusion :-
Here Calculated z value is less than the table z value we do not reject the null hypothesis
means we reject the claim that less than 1% of all his products donot meet the minimum government standards
Hope this will help you

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