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junior college 1 | H1 Maths
3 Answers Below
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permutation and combination question again! need help :'( thankyouuuu
Date Posted: 4 years ago
Views: 895
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Pls check if i made any careless mistakes
Date Posted:
4 years ago
hello! i just checked the answer key and part b is 310, part c is 301! could be an error in the answer key though;; Also thank you so much!!
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310 for part (b) is correct, here’s the working!
Date Posted:
4 years ago
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Solution to (c) :)
In my solution I found the number of ways based on having at least one female, before eliminating all locals cases to satisfy at least one foreign member condition
It is also able to be solved if you find the number of ways first based on having at least one foreign member, before eliminating all males cases!
In my solution I found the number of ways based on having at least one female, before eliminating all locals cases to satisfy at least one foreign member condition
It is also able to be solved if you find the number of ways first based on having at least one foreign member, before eliminating all males cases!
Date Posted:
4 years ago
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