An exam is administered to 20 high school students, chosen randomly from within a large school district. Suppose that, if everyone in the school district were to take the exam, scores would follow a normal distribution, with mean .69 and standard deviation .18. What is the probaiblity that the average score for these 20 students is more than 5 percentage points away from the population average (i.e. less than .64 or greater than .74)?
An exam is administered to 20 high school students, chosen randomly from within a large school district. Suppose that, if everyone in the school district were to take the exam, scores would follow a normal distribution, with mean .69 and standard deviation .18. What is the probaiblity that the average score for these 20 students is more than 5 percentage points away from the population average (i.e. less than .64 or greater than .74)?
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
Related questions
Question
An exam is administered to 20 high school students, chosen randomly from
within a large school district. Suppose that, if everyone in the school district were to
take the exam, scores would follow a
deviation .18. What is the probaiblity that the average score for these 20 students is
more than 5 percentage points away from the population average (i.e. less than .64
or greater than .74)?
AI-Generated Solution
AI-generated content may present inaccurate or offensive content that does not represent bartleby’s views.
Unlock instant AI solutions
Tap the button
to generate a solution
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill