Find the Mean of the Binomial Random Variable

question 72

Multiple Choice

Find the mean of the binomial random variable. Round to two decimal places when necessary.
-The probability that a radish seed will germinate is 0.7. A gardener plants seeds in batches of 12. Find the mean for the random variable X, the number of seeds germinating in each batch.

• A)10.8
• B)3.6
• C)8.52
• D)8.4

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Definitions:

Language Development

How children acquire the ability to understand and use language during the initial stages of life.

Visual Memory

The ability to remember and recall information that has been seen visually.

Vocalizations

The production of sounds by an organism, often as a form of communication among members of a species.

Prelinguistic

Referring to vocalizations made by the infant before the development of language. (In language, words symbolize objects and events.)