Find the Expected Value of the Random Variable What Is the Expected Value of Thunderstorms for the Town

question 111

Multiple Choice

Find the expected value of the random variable. Round to the nearest cent unless stated otherwise.
-The probability distribution below describes the number of thunderstorms that a certain town may experience during the month of August. Let X represent the number of thunderstorms in August. $$\begin{array} { l | l l l l } \text { Number of storms } & 0 & 1 & 2 & 3 \\\hline \mathrm { P } ( X = \mathrm { X } ) & 0.1 & 0.2 & 0.5 & 0.2\end{array}$$ What is the expected value of thunderstorms for the town each August? Round the answer to one
Decimal place.

• A)2.0
• B)1.5
• C)1.9
• D)1.8

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