1. For HA: > 0.50 at = 0.05, what is the critical value of the test statistic wi

Question

1. For HA: > 0.50 at = 0.05, what is the critical value of the test statistic with 3 decimal places

2. Suppose that you select a sample to test the null hypothesis H0: = 0.264. With 3 decimal places, what is the standard deviation of the sample proportion if the sample size is 20?

3.It is claimed that the proportion of contaminated products is less than 2%. A sample of size 1500 results found 10 contaminated products. What is the HA, and what is (are) the critical value(s), the for = 0.05?A survey of CEO's found that 105 of 150 think the economy will improve next year. In order, what is the estimate of the population proportion, the standard deviation of the sample proportion, and the standard error of the sample proportion?

4.It is claimed that proportion in favor of Proposition A is greater than 60%. A sample of size 100 found 69 in favor of the proposition.. The results of evaluating the test statistic with = 0.10 are:

5.

Explanation / Answer

Dear student, I am only answering the first question as per Chegg Guidelines.

For HA: > 0.50 at = 0.05, the critical value for normal test is 1.645 which is the value for z at 0.05 level, one tailed testing using the normal table.

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