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4. Statman wants to show that the more time a student spends on media (cell phone, TV, computer) the lower the grade a student gets on his/her math test. Study this contingency table and then answer the questions. Time Spent on Media per Day 0 to 1 hours 2 to 4 hours 5 to 8 hours Total Score 60% 3 9 48 Score 60% to 79% 58 29 102 Score 80% to 100% 36 10 4 Total 200 a) Fill in the table. b) Find the probability that a student who spent 2 hour on media scored 80 - 100%. c) What is the probability that a student scored < 60% ?

4. Statman wants to show that the more time a student spends on media (cell phone, TV, computer) the lower the grade a student gets on his/her math test. Study this contingency table and then answer the questions. Time Spent on Media per Day 0 to 1 hours 2 to 4 hours 5 to 8 hours Total Score 60% 3 9 48 Score 60% to 79% 58 29 102 Score 80% to 100% 36 10 4 Total 200 a) Fill in the table. b) Find the probability that a student who spent 2 hour on media scored 80 - 100%. c) What is the probability that a student scored < 60% ?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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4. Statman wants to show that the more time a student spends on media (cell phone, TV, computer) the lower the grade a student gets on his/her math test. Study this contingency table and then answer the questions. Time Spent on Media per Day 0 to 1 hours 2 to 4 hours 5 to 8 hours Total Score 60% 3 9 48 Score 60% to 79% 58 29 102 Score 80% to 100% 36 10 4 Total 200 a) Fill in the table. b) Find the probability that a student who spent 2 hour on media scored 80 - 100%. c) What is the probability that a student scored < 60% ?
Transcribed Image Text:4. Statman wants to show that the more time a student spends on media (cell phone, TV, computer) the lower the grade a student gets on his/her math test. Study this contingency table and then answer the questions. Time Spent on Media per Day 0 to 1 hours 2 to 4 hours 5 to 8 hours Total Score 60% 3 9 48 Score 60% to 79% 58 29 102 Score 80% to 100% 36 10 4 Total 200 a) Fill in the table. b) Find the probability that a student who spent 2 hour on media scored 80 - 100%. c) What is the probability that a student scored < 60% ?
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