Statistics Quiz: Probability Concepts

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Questions and Answers

41% of U.S. adults have very little confidence in ______.

newspapers

You randomly select ______ U.S. adults.

10

To find the probability of getting exactly 5, we calculate P(______) =.

5

P(at least ______) calculates probabilities starting from six and above.

<p>six</p> Signup and view all the answers

P(less than ______) helps us find the probability that fewer than four adults have confidence.

<p>four</p> Signup and view all the answers

Flashcards

Probability of 5

The likelihood of selecting 5 U.S. adults with very little confidence in newspapers out of 10 randomly selected individuals

Probability of at least 6

The sum of probabilities for 6,7,8,9, and 10 successes.

Probability of less than 4

The sum of probabilities for 0,1,2, and 3 successes.

Binomial probability

A probability distribution that calculates the probability of a specific number of successes in a fixed number of independent trials.

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Independent trials

Trials where the outcome of one trial does not affect the outcome of any other trial.

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