Probability Basics

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Questions and Answers

What is the range of probability for an event?

  • -1 to 1
  • 1 to 100
  • 0 to infinity
  • 0 to 1 (correct)

In probability theory, what does a probability of 0.5 represent?

  • Equal likelihood of two outcomes (correct)
  • Impossible event
  • Likelihood of one specific outcome
  • Rare event

In a random experiment, how are probabilities numerically described?

  • Total number of all outcomes multiplied by number of desired outcomes
  • Number of desired outcomes divided by total number of all outcomes (correct)
  • Number of desired outcomes multiplied by total number of all outcomes
  • Total number of all outcomes divided by number of desired outcomes

What areas of study widely use probability theory?

<p>Statistics, science, finance, computer science (B)</p>
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What is used to draw inferences about the expected frequency of events?

<p>$Probability$ $theory$ (C)</p>
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