(a) Statistics for two medicines X and Y are gathered. If it found that 3% of people have an adverse reaction to X, 95% of people do not have adverse reaction to Y while 0.2% of people reach adversely to both X and Y. (i) Display the information above in a suitable diagram.  (ii) Given that who have an adverse reaction to X, what percentage of them have an adverse reaction to Y?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 23PPS
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Question 2 
(a) Statistics for two medicines X and Y are gathered. If it found that 3% of people
have an adverse reaction to X, 95% of people do not have adverse reaction to Y
while 0.2% of people reach adversely to both X and Y.
(i) Display the information above in a suitable diagram. 
(ii) Given that who have an adverse reaction to X, what percentage of them
have an adverse reaction to Y? 
(b) An E-sport team of 2 girls and 2 boys is to be chosen from 7 girls and 6 boys in
the E-sport club. Find the number of ways this can be done if 2 of the boys are
twins and are either both in the team or both not in the team. 

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