students are unprepared for a surprise true/false test v vers are guesses. standard deviation for the number of correct answers fa

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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3. Several psychology students are unprepared for a surprise true/false test with 40 questions,
and all of their answers are guesses.
Find the mean and standard deviation for the number of correct answers for each student.
Transcribed Image Text:3. Several psychology students are unprepared for a surprise true/false test with 40 questions, and all of their answers are guesses. Find the mean and standard deviation for the number of correct answers for each student.
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