A Recent Poll of 120 Adults Who Frequent the Local

question 13

Multiple Choice

A recent poll of 120 adults who frequent the local farmer's market found that 54 have purchased reusable cloth bags for their groceries.Based on these data, what is the margin of error for a 95% confidence interval of the proportion of adults who have purchased reusable cloth bags?

• A)0.0454
• B)0.0117
• C)0.089
• D)0.075
• E)0.0432

Identify the notation used for null and alternative hypotheses.

Recognize the implications of failing to reject the null hypothesis and its impact on hypothesis validity.

Understand the importance of hypothesis testing in statistics and its application in real-world scenarios.

Gain knowledge on how p-values and significance levels (α) serve in the decision-making process of hypothesis testing.

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Definitions:

Glaciers/Snowpack

Masses of ice and snow that accumulate in colder climates, moving slowly over land under their own weight.

Volcanic Cinders

Small, porous pieces of pyroclastics that are ejected from a volcano during an explosive eruption.

Scoria Cone

A volcanic cone formed out of tephra (volcanic debris) and cinders that accumulate around and downwind from a volcanic vent.

Shield Volcano

A type of volcano with gently sloping sides formed by the eruption of low-viscosity lava that can flow long distances.