Statistics & Probability Flashcards: Developing Theoretical Probability Distributions Expected Value

Study Developing Theoretical Probability Distributions Expected Value in Statistics & Probability with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

State the expected value formula for $X\sim\text{Binomial}(n,p)$ .

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ANSWER

$E(X)=np$ . Mean of binomial distribution is number of trials times success probability.

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This deck focuses on Developing Theoretical Probability Distributions Expected Value, giving you a quick way to review the definitions, rules, and examples that matter most for Statistics & Probability.

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Practice questions

1 of 40Practice questions for this set

A fair die is rolled and a fair coin is flipped. The 12 outcomes in the sample space are equally likely. Define the random variable

X

as follows:

X=1

if the coin shows heads and the die shows a number greater than 4; otherwise

X=0

. Which table correctly represents the theoretical probability distribution of

X

Choose an answer

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