Based on Weather Data Collected in Racine, Wisconsin, on Christmas

question 89

Multiple Choice

Based on weather data collected in Racine, Wisconsin, on Christmas Day, the weather had the following distribution: /Thompson_sn3t_WordExports/Thompson_sn3t_WordExports Based on these data, what is the probability that next Christmas will be dry?

• A) 0.45
• B) 0.50
• C) 0.60
• D) 0.70

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Definitions:

Probability of Error

Probability of error refers to the likelihood that a statistical decision or hypothesis test will result in a wrong conclusion.

Test Power

The probability that a statistical test will correctly reject a false null hypothesis, essentially the ability of a test to detect an effect if there is one.

Conditional Probabilities

are the probabilities of an event occurring given that another event has already occurred.

Type Errors

Errors made in hypothesis testing where Type I error is rejecting a true null hypothesis, and Type II error is failing to reject a false null hypothesis.