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Chapter 4: Q.29 (page 285)

In words, define the random variable X.

Short Answer

Expert verified

The number of years a student will study contemporary with this dance teacher is the random variable X.

Step by step solution

01

Given Information

The random variableXofcontemporary. instructor wants to know what proportion of last year's class will return the next year so she can plan what classes to provide. She has developed the following probability distribution over the years, where represents the number of years a student will study ballet with the teacher and means the probability of studying for those years.

02

Explanation

The number of years a student will study contemporary.

with this dance teacher is the random variable X.

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Most popular questions from this chapter

According to a Gallup poll, 60% of American adults prefer saving over spending. Let X = the number of American adults out of a random sample of 50 who prefer saving to spending.

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