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AP Statistics Probability Topics — practice questions

Explore 20 free Probability Topics questions in AP Statistics Statistics. Open each question or exercise to read its content, reference answers and available explanation.

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Probability Topics questions and exercises with answers

Showing questions 1–20 of 20.

In probability, a planned operation carried out under controlled conditions is called:Read the answer and worked solution →The set of all possible outcomes of an experiment is the:Read the answer and worked solution →Probabilities always take values that are:Read the answer and worked solution →The probability of any outcome is described as its:Read the answer and worked solution →The complement of event A is written as:Read the answer and worked solution →The probability of A given that B has occurred is written:Read the answer and worked solution →Two events that share no outcomes at all are described as:Read the answer and worked solution →Independent and mutually exclusive are terms that:Read the answer and worked solution →Two events are independent when the outcome of the first:Read the answer and worked solution →Sampling with replacement means each member picked:Read the answer and worked solution →Sampling without replacement makes successive picks dependent because:Read the answer and worked solution →A sample space can be represented by listing outcomes, by a Venn diagram, or by a:Read the answer and worked solution →On a fair six-sided die, the outcome of any one face is:Read the answer and worked solution →A conditional probability differs from an ordinary one because the count is divided by:Read the answer and worked solution →An experiment whose result is not predetermined is called a:Read the answer and worked solution →Match each probability termRead the answer and worked solution →With or without replacement?Read the answer and worked solution →True or false: probabilityRead the answer and worked solution →Complete the probability rulesRead the answer and worked solution →Which representation would you use?Read the answer and worked solution →

Worked practice questions

In probability, a planned operation carried out under controlled conditions is called:

  1. An experiment
  2. An outcome
  3. A sample space
  4. A parameter
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Correct answer: A. An experiment

1. Probability language starts from the act of doing something whose result is uncertain. 2. An experiment is a planned operation carried out under controlled conditions. 3. A result of that experiment is called an outcome. 4. If the result is not predetermined, the experiment is said to be a chance experiment. _Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 3 'Probability Topics', sections 3.1-3.5_

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The set of all possible outcomes of an experiment is the:

  1. Probability
  2. Sample space
  3. Event space
  4. Outcome list
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Correct answer: B. Sample space

1. Every possible result must be accounted for before probabilities can be assigned. 2. The sample space of an experiment is the set of all possible outcomes. 3. Three ways to represent a sample space are to list the possible outcomes, to create a tree diagram, or to create a Venn diagram. 4. An event is a subset of that sample space rather than the whole of it. _Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 3 'Probability Topics', sections 3.1-3.5_

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Probabilities always take values that are:

  1. Greater than one always
  2. Less than zero always
  3. Between zero and one
  4. Between zero and 100
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Correct answer: C. Between zero and one

1. A probability expresses how much of the possible outcome space an event covers. 2. It cannot cover less than none of it or more than all of it. 3. Probabilities are between zero and one, inclusive, that is zero and one and all numbers between these values. 4. Percentages simply rescale that same range. _Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 3 'Probability Topics', sections 3.1-3.5_

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More Statistics topics

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