32. SAT Test Multiple choice questions on the SAT college admissions exam have four choices. The random variable represents the number of correct answers when you randomly guess the answer for seven questions.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
Question

Finding and Interpreting Mean, Variance, and Standard Deviation In Exercises 32 find the mean, variance, and standard deviation of the binomial distribution for the given random variable. Interpret the results and determine any unusual values.

32. SAT Test Multiple choice questions on the SAT college admissions exam have four
choices. The random variable represents the number of correct answers when you
randomly guess
the answer for seven questions.
Transcribed Image Text:32. SAT Test Multiple choice questions on the SAT college admissions exam have four choices. The random variable represents the number of correct answers when you randomly guess the answer for seven questions.
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