A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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(c) By solving your equation in (b), find the number of students who study:
(i) all three subjects
(i) Physics or Chemistry but not Biology
2. In the first year Biological Science programme, 70%like Micro
B and 40%like Post
SSS mathematics. If every student studies at least one of tuwo subjects. Draw a Venn.
diagram and use it to find the percentage of students who studied both subjects.
3. 50 Biochemistry 1st year students had a choice of Beans, Plantain and Rice for analysis.
21 of them analysed beans, 24 analysed plantain and 18 analysed rice.
analysed beans
only, 9 analysed plantain only and 2 analysed rice only. Only 5 analysed all the three
food items.
(a) Draw a Venn diagram to illustrate the above information
(b) Use your diagram to find the number of students who analysed
19
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Transcribed Image Text:(c) By solving your equation in (b), find the number of students who study: (i) all three subjects (i) Physics or Chemistry but not Biology 2. In the first year Biological Science programme, 70%like Micro B and 40%like Post SSS mathematics. If every student studies at least one of tuwo subjects. Draw a Venn. diagram and use it to find the percentage of students who studied both subjects. 3. 50 Biochemistry 1st year students had a choice of Beans, Plantain and Rice for analysis. 21 of them analysed beans, 24 analysed plantain and 18 analysed rice. analysed beans only, 9 analysed plantain only and 2 analysed rice only. Only 5 analysed all the three food items. (a) Draw a Venn diagram to illustrate the above information (b) Use your diagram to find the number of students who analysed 19
i. rice and beans only
ii. none of the three food items
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Transcribed Image Text:i. rice and beans only ii. none of the three food items
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