If X Is a Binomial Random Variable, Calculate $\sigma ^ { 2 } \text { for } n = 40 \text { and } p = 0.3 \text {. }$

question 157

Multiple Choice

If x is a binomial random variable, calculate $\sigma ^ { 2 } \text { for } n = 40 \text { and } p = 0.3 \text {. }$

• A) 12
• B) 3.6
• C) 2.898
• D) 8.4

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