There are: a total of 85 students 40 in math only --- 20 in english only  --- 20 in BOTH english and math --5 in neither math or english  ( I have attached a venn diagram that is the correct amount for each group) a. n( M \ E) ? (math/english) it is supposed to be math ONLY. I tried doing n(mne)/e which is I thought was 20 / 40-20 = 20/20 meaning 1 which I know is in correct. So I need to find Math ONLY. b) n(E) =? .. I thought it was 20 but I was incorrect as well.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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I am need of help for questions a and b, please!! 

There are: a total of 85 students

40 in math only --- 20 in english only  --- 20 in BOTH english and math --5 in neither math or english  ( I have attached a venn diagram that is the correct amount for each group)

a. n( M \ E) ? (math/english) it is supposed to be math ONLY. I tried doing n(mne)/e which is I thought was 20 / 40-20 = 20/20 meaning 1 which I know is in correct. So I need to find Math ONLY.

b) n(E) =? .. I thought it was 20 but I was incorrect as well. 

 

Thank you! 

Math
40
20
Eng.
do
20
U= 85 students
ナ
5
Transcribed Image Text:Math 40 20 Eng. do 20 U= 85 students ナ 5
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