AP Statistics : How to do the linear transformation of a random variable

Study concepts, example questions & explanations for AP Statistics

varsity tutors app store varsity tutors android store

Example Questions

Example Question #1 : How To Do The Linear Transformation Of A Random Variable

      

       

Possible Answers:

         

         

      

Correct answer:

         

Explanation:

         

Example Question #145 : Ap Statistics

     

      

Possible Answers:

      

      

      

Correct answer:

      

Explanation:

      

Example Question #2 : How To Do The Linear Transformation Of A Random Variable

Variable  has a Poisson distribution with a mean of . What is the variance of Variable ?

Possible Answers:

Correct answer:

Explanation:

Because  has a Poisson distribution we know that:

 and

.

Therefore, since we are given the mean of 25, we can find its variance to also be 25.

Learning Tools by Varsity Tutors

Incompatible Browser

Please upgrade or download one of the following browsers to use Instant Tutoring: