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1. Which of the following is the correct symbol for hypothesized proportion? А. Ро С. Нр В. р D. Ho 2. What is the correct alternative hypothesis in sentence form of the statement: Ha : p+ 0.21? A. The proportion of male in a certain barangay is 21%. B. The proportion of male in a certain barangay is fewer by 21%. C. The proportion of male in a certain barangay is different from 21%. D. The proportion of male in a certain barangay has increased by 21%. 3. Which of the following words is used in a null hypothesis written in sentence form? А. еqual C. higher B. fewer D. lower

1. Which of the following is the correct symbol for hypothesized proportion? А. Ро С. Нр В. р D. Ho 2. What is the correct alternative hypothesis in sentence form of the statement: Ha : p+ 0.21? A. The proportion of male in a certain barangay is 21%. B. The proportion of male in a certain barangay is fewer by 21%. C. The proportion of male in a certain barangay is different from 21%. D. The proportion of male in a certain barangay has increased by 21%. 3. Which of the following words is used in a null hypothesis written in sentence form? А. еqual C. higher B. fewer D. lower

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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1. Which of the following is the correct symbol for hypothesized proportion? А. Ро В. р С. Нр D. Ho What is the correct alternative hypothesis in sentence form of the statement: Ha : p+ 0.21? A. The proportion of male in a certain barangay is 21%. The proportion of male in a certain barangay is fewer by 21%. C. The proportion of male in a certain barangay is different from 2. В. 21%. D. The proportion of male in a certain barangay has increased by 21%. 3. Which of the following words is used in a null hypothesis written in sentence form? A. equal C. higher B. fewer D. lower A researcher will use a one-tailed test on his research study concerning population proportions. One-tailed test is also called 4. A. one-sided C. directional B. one-region D. non-directional 5. Which of the following statements is true about alternative hypothesis on a population proportion? A. It is represented by Ha It is used as a basis to determine the location of the extreme В. values. C. It is the competing claim that the parameter is equal to a specific value. D. It is a claim that the proportion is equal to the hypothesized proportion.
Transcribed Image Text:1. Which of the following is the correct symbol for hypothesized proportion? А. Ро В. р С. Нр D. Ho What is the correct alternative hypothesis in sentence form of the statement: Ha : p+ 0.21? A. The proportion of male in a certain barangay is 21%. The proportion of male in a certain barangay is fewer by 21%. C. The proportion of male in a certain barangay is different from 2. В. 21%. D. The proportion of male in a certain barangay has increased by 21%. 3. Which of the following words is used in a null hypothesis written in sentence form? A. equal C. higher B. fewer D. lower A researcher will use a one-tailed test on his research study concerning population proportions. One-tailed test is also called 4. A. one-sided C. directional B. one-region D. non-directional 5. Which of the following statements is true about alternative hypothesis on a population proportion? A. It is represented by Ha It is used as a basis to determine the location of the extreme В. values. C. It is the competing claim that the parameter is equal to a specific value. D. It is a claim that the proportion is equal to the hypothesized proportion.
12. Perform a hypothesis test where the null hypothesis is that the p = 6.9. A random sample of 16 items is selected. The sample mean is 7.1 and the sample standard deviation is 2.4. It can be assumed that the population is normally distributed at a = 0.05. A. There is enough evidence to reject the claim. B. There is enough evidence to support the claim. C. There is not enough evidence to reject the claim. D. There is not enough evidence to support the claim. 13. If the computed t-value is 2.130 while the critical value is 2.086, what conclusion can be drawn? A. Reject both the null and alternative hypotheses. B. Fail to reject the null and alternative hypotheses. C. Reject the null hypothesis in favor of the alternative hypothesis. D. Fail to reject the null and the alternative hypothesis is not supported. 14. After formulating the hypotheses, what is the next step in the hypothesis testing procedure? A. Draw conclusion. B. Choose the level of significance. C. Determine the test statistic and compute it. D. Find the critical value and draw the critical region. 15. Find the critical value(s) for a two-tailed test with a = 0.05. A. z = -1.65 B. z = ±0.06 C. z = 1.65 D. z = ±1.96
Transcribed Image Text:12. Perform a hypothesis test where the null hypothesis is that the p = 6.9. A random sample of 16 items is selected. The sample mean is 7.1 and the sample standard deviation is 2.4. It can be assumed that the population is normally distributed at a = 0.05. A. There is enough evidence to reject the claim. B. There is enough evidence to support the claim. C. There is not enough evidence to reject the claim. D. There is not enough evidence to support the claim. 13. If the computed t-value is 2.130 while the critical value is 2.086, what conclusion can be drawn? A. Reject both the null and alternative hypotheses. B. Fail to reject the null and alternative hypotheses. C. Reject the null hypothesis in favor of the alternative hypothesis. D. Fail to reject the null and the alternative hypothesis is not supported. 14. After formulating the hypotheses, what is the next step in the hypothesis testing procedure? A. Draw conclusion. B. Choose the level of significance. C. Determine the test statistic and compute it. D. Find the critical value and draw the critical region. 15. Find the critical value(s) for a two-tailed test with a = 0.05. A. z = -1.65 B. z = ±0.06 C. z = 1.65 D. z = ±1.96
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