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When asked whether marriage is becoming obsolete, 720 out of 2058 randomly selected adults answering a particular survey said yes. We are testing the hypothesis that the population proportion that believes marriage is becoming obsolete is more than 33% using a significance level of 0.05. One of the following figures is correct. Indicate which graph matches the alternative hypothesis, p > 0.33. Report and interpret the correct p-value. Choose the correct graph below. A. z = 1.9155 p = 0.0277 B. Z=1.9155 p=0.9723 Because the p-value is less than the significance level, reject evidence to conclude that the population proportion is greater than C. z = 1.9155 p = 0.0554 O the null hypothesis. There is sufficient (Type an integer or a decimal. Do not round.)

When asked whether marriage is becoming obsolete, 720 out of 2058 randomly selected adults answering a particular survey said yes. We are testing the hypothesis that the population proportion that believes marriage is becoming obsolete is more than 33% using a significance level of 0.05. One of the following figures is correct. Indicate which graph matches the alternative hypothesis, p > 0.33. Report and interpret the correct p-value. Choose the correct graph below. A. z = 1.9155 p = 0.0277 B. Z=1.9155 p=0.9723 Because the p-value is less than the significance level, reject evidence to conclude that the population proportion is greater than C. z = 1.9155 p = 0.0554 O the null hypothesis. There is sufficient (Type an integer or a decimal. Do not round.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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**Hypothesis Testing Example** When asked whether marriage is becoming obsolete, 720 out of 2058 randomly selected adults responded "yes" in a survey. We are testing the hypothesis that the population proportion that believes marriage is becoming obsolete is more than 33%, using a significance level of 0.05. One of the following figures is correct. Indicate which graph matches the alternative hypothesis, \( p > 0.33 \). Report and interpret the correct p-value. --- **Choose the correct graph below.** - **Option A:** - **Graph:** Bell-shaped normal distribution curve, right-tailed test - **z = 1.9155** - **p = 0.0277** (shaded area on the right tail) - **Option B:** - **Graph:** Bell-shaped normal distribution curve, two-tailed test - **z = 1.9155** - **p = 0.9723** (both tails shaded) - **Option C:** - **Graph:** Bell-shaped normal distribution curve, right-tailed test - **z = 1.9155** - **p = 0.0554** (shaded area on the right tail) --- **Conclusion:** Because the p-value is **less than** the significance level, **reject** the null hypothesis. There **is** sufficient evidence to conclude that the population proportion **is greater than** 0.33.
Transcribed Image Text:**Hypothesis Testing Example** When asked whether marriage is becoming obsolete, 720 out of 2058 randomly selected adults responded "yes" in a survey. We are testing the hypothesis that the population proportion that believes marriage is becoming obsolete is more than 33%, using a significance level of 0.05. One of the following figures is correct. Indicate which graph matches the alternative hypothesis, \( p > 0.33 \). Report and interpret the correct p-value. --- **Choose the correct graph below.** - **Option A:** - **Graph:** Bell-shaped normal distribution curve, right-tailed test - **z = 1.9155** - **p = 0.0277** (shaded area on the right tail) - **Option B:** - **Graph:** Bell-shaped normal distribution curve, two-tailed test - **z = 1.9155** - **p = 0.9723** (both tails shaded) - **Option C:** - **Graph:** Bell-shaped normal distribution curve, right-tailed test - **z = 1.9155** - **p = 0.0554** (shaded area on the right tail) --- **Conclusion:** Because the p-value is **less than** the significance level, **reject** the null hypothesis. There **is** sufficient evidence to conclude that the population proportion **is greater than** 0.33.
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