Compute the Mean and Standard Deviation of a Binomial Random

question 52

Multiple Choice

Compute the Mean and Standard Deviation of a Binomial Random Variable
-A quiz consists of 20 multiple choice questions, each with five possible answers, only one of which is correct. Find the mean and the standard deviation of the number of correct answers.

• A) mean: 4; standard deviation: 1.78885438
• B) mean: 4; standard deviation: 2
• C) mean: 10; standard deviation: 1.78885438
• D) mean: 10; standard deviation: 3.16227766

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Definitions:

Tarsier

A small, nocturnal primate with large eyes and a long tail, known for its distinctive vertical clinging and leaping behaviors.

Old World Monkey

A group of primates native to Africa and Asia, distinguished from New World monkeys by their nose shape.

Mammals

Warm-blooded vertebrates characterized by the presence of mammary glands which females use to nourish their young.

Types of Teeth

Types of teeth refer to the classification of teeth in mammals, including incisors, canines, premolars, and molars, each serving different functions in the process of eating.