Answer 12 - 15 and 4 - 5 questions, just write the correct letter of the answer and no need to show solution. 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 meanis 7.1 and the sample standard deviation is 2.4. It can be assumedthat 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 notsupported.14. After formulating the hypotheses, what is the next step in thehypothesis 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 = -1.65B. z = ±0.06C. z = 1.65D. z = ±1.96 1. Which of the following is the correct symbol for hypothesizedproportion?А. РоВ. рС. НрD. HoWhat is the correct alternative hypothesis in sentence form of thestatement: 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 from2.В.21%.D. The proportion of male in a certain barangay has increased by21%.3. Which of the following words is used in a null hypothesis writtenin sentence form?A. equalC. higherB. fewerD. lowerA researcher will use a one-tailed test on his research studyconcerning population proportions. One-tailed test is also called4.A. one-sidedC. directionalB. one-regionD. non-directional5. Which of the following statements is true about alternativehypothesis on a population proportion?A. It is represented by HaIt is used as a basis to determine the location of the extremeВ.values.C. It is the competing claim that the parameter is equal to aspecific value.D. It is a claim that the proportion is equal to the hypothesizedproportion.

NOTE: As per the guidelines, we are supposed to solve the first three, so I am answering question 4,…

2. Perform a hypothesis test where the null hypothesis is that the u - 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.

2. Perform a hypothesis test where the null hypothesis is that the u - 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.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

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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Concept explainers

Counting Principles

In statistics, the counting principle can be said to be the concept in which the quantity of an item is determined. There can be a single item, or a group of items, or items that are related to each other. In every possible set of items, the quantity of the possible item groups or their sorting measures can be determined with counting principles.

Question

Answer 12 - 15 and 4 - 5 questions, just write the correct letter of the answer and no need to show solution.

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

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.

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