Transcribed Image Text:Dr. Victory is a child psychologist with an inner-city school district. He wants to estimate the proportion of middle school students who have felt bullied.
LUSE SALT
(a) What is the minimum number of students that will need to be observed to get a margin of error of 0.08 with 90% confidence? (Use a table or technology.)
students
(b) Dr. Victory’s school superintendent, Dr. Triumph, finds out about the study and tells him that in past studies, approximately 60% of middle school students have felt bullied.
Will having this knowledge change how many students will be needed for Dr. Victory’s students? Yes or no?
Yes
O No
MY NOTES PRACTICE ANOTHE
(c) Now that Dr. Triumph has told Dr. Victory that in previous studies approximately 60% of students have felt bullied, what is the minimum number of students that will need to be observed to get a margin of error of 0.08 with 90% confidence? (Use a table or
technology.)
students
LUSE SALT
(a) What is the minimum number of students that will need to be observed to get a margin of error of 0.08 with 90% confidence? (Use a table or technology.)
students
(b) Dr. Victory’s school superintendent, Dr. Triumph, finds out about the study and tells him that in past studies, approximately 60% of middle school students have felt bullied.
Will having this knowledge change how many students will be needed for Dr. Victory’s students? Yes or no?
Yes
O No
MY NOTES PRACTICE ANOTHE
(c) Now that Dr. Triumph has told Dr. Victory that in previous studies approximately 60% of students have felt bullied, what is the minimum number of students that will need to be observed to get a margin of error of 0.08 with 90% confidence? (Use a table or
technology.)
students
