The following table shows the numbers of IGCSE (I) and A Level (A) examinations passed by a
Question:
The following table shows the numbers of IGCSE (I) and A Level (A) examinations passed by a group of university students.
a. For a student selected at random, find:
i. P(I + A = 11 | A < 4)
ii. P(I − A > 5 | I + A > 10)
b. Six students who all have at least three A Level passes are selected at random. Find the greatest possible range of the total number of IGCSE passes that they could have.
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ANSWER a i To find PI A 11 A 4 we need to first determine the number of students who have passed A L...View the full answer
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Related Book For 
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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