(2) Here are grades collected from freshmen and sophomores Grade A F total Freshmen F 10 16 20 14 11 13 14 33 31 29 44 35 15 6. 70 Sophomores S 8 Juniors J 15 54 10 7 4 48 total 172 If a person is randomly selected from this class, what is the probability that the person a) is a junior b) is a sophomore and made a B c) is a freshman, given that the student made an A N crizon tho+ the atudont wos oiunior

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(2) Here are grades collected from freshmen and sophomores
Grade
A
F
total
Freshmen F
15
9.
10 16 20
70
Sophomores S 8
14 11
13 14
33 31 29 44 35
15
6.
54
Juniors J
10
7
4
48
total
172
If a person is randomly selected from this class, what is the probability that the
a) is a junior
b) is a sophomore and made a B
c) is a freshman, given that the student made an A
d) made an C, given that the student was a junior?
e) is a junior or made a D?
person
Transcribed Image Text:(2) Here are grades collected from freshmen and sophomores Grade A F total Freshmen F 15 9. 10 16 20 70 Sophomores S 8 14 11 13 14 33 31 29 44 35 15 6. 54 Juniors J 10 7 4 48 total 172 If a person is randomly selected from this class, what is the probability that the a) is a junior b) is a sophomore and made a B c) is a freshman, given that the student made an A d) made an C, given that the student was a junior? e) is a junior or made a D? person
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