frq sytled resposne please  A if we choose a student at random, what is the probability he or she eats regularly in the cafeteria? b if you choose a student at random, what is the probability he or she eats regularly in the cafeteria given that he or she is in 10th grade? c if you choose a student at random, are the events "10th grade" and "eats regularly in the cafeteria" independent? explain how you know.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 3BGP
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frq sytled resposne please 

A if we choose a student at random, what is the probability he or she eats regularly in the cafeteria?

b if you choose a student at random, what is the probability he or she eats regularly in the cafeteria given that he or she is in 10th grade?

c if you choose a student at random, are the events "10th grade" and "eats regularly in the cafeteria" independent? explain how you know.

12
The table summarizes the relationship between two categorical variables, grade level and the student's answer to the question, "Do you eat regularly in the school cafeteria?"
(a)
Grade
9th
10th
11th
12th
Total
Eat in
Yes
130
175
122
68
495
cafeteria?
No
18
34
88
170
310
Total
148
209
210
238
805
Transcribed Image Text:12 The table summarizes the relationship between two categorical variables, grade level and the student's answer to the question, "Do you eat regularly in the school cafeteria?" (a) Grade 9th 10th 11th 12th Total Eat in Yes 130 175 122 68 495 cafeteria? No 18 34 88 170 310 Total 148 209 210 238 805
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