Find the Mean of the Binomial Random Variable

question 107

Multiple Choice

Find the mean of the binomial random variable. Round to two decimal places when necessary.
-In a certain town, 90 percent of voters are in favor of a given ballot measure and 10 percent are opposed. For groups of 180 voters, find the mean for the random variable X, the number who Oppose the measure.

• A)10
• B)90
• C)18
• D)162

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