the random variable $x$ is a binomial random variable with $n = 4$ and $p = 0.3$. what is the expected value of $x$? do not round your answer.

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{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "blank_filling_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Binomial Distribution", "Expected Value" ], "new_concepts": [], "current_concepts": [ "Binomial Distribution", "Expected Value" ] } ## Identify the given parameters $$ \begin{aligned} n &= 4 \ p &= 0.3 \end{aligned} $$ ## Apply the expected value formula $$ \begin{aligned} E(X) &= n \cdot p \ E(X) &= 4 \cdot 0.3 \ E(X) &= 1.2 \end{aligned} $$ The random variable $X$ is a binomial random variable with $n = 4$ and $p = 0.3$. What is the expected value of $X$? Do not round your answer. 1.2 { "subject": "Mathematics", "question_type": "Fill-in-the-blank", "knowledge_point": [ "Mathematics", "Statistics", "Expected Value" ] }

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Identify the given parameters

Apply the expected value formula

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