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Course: AP??/College Statistics?>?Unit 8
Lesson 6: Parameters for a binomial distributionMean and standard deviation of a binomial random variable
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Problem
Ms. Davis is doing an activity with her statistics students where she gives them a -question multiple choice test, and they know none of the answers. Students need to guess on every question, and each question has possible choices, of which is correct.
What are the mean and standard deviation of the number of questions that each student gets correct?
You may round your answers to the nearest tenth.
You may round your answers to the nearest tenth.
mean:
correctstandard deviation:
correct