Every Year on Groundhog Day (February 2), the Famous Groundhog

question 31

Multiple Choice

Every year on Groundhog Day (February 2) , the famous groundhog Punxsutawney Phil tries to predict whether there will be 6 more weeks of winter. ​
Suppose that you plan to take a random sample of 23 years and use weather data to determine the proportion of these years the groundhog's prediction was correct.
​
If the groundhog has a 50-50 chance of making a correct prediction, the spread of the sampling distribution of for samples of size 23 is:
​

• A) = 0.1474
• B) = 0.1043
• C) = 0.2085
• D) = 0.0435
• E) = 0.0870

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Definitions:

Mental Health

A state of well-being in which an individual realizes their own abilities, can cope with the normal stresses of life, can work productively, and is able to make contributions to their community.

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A collision involving one or more vehicles, often resulting in injury or damage.

Murder Victim

An individual who has lost their life due to an act of murder, where another individual deliberately causes their death.

Committing Suicide

The act of intentionally causing one's own death.