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junior college 2 | H2 Maths
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ann
Ann

junior college 2 chevron_right H2 Maths chevron_right Singapore

how to do (i)

Date Posted: 7 months ago
Views: 117
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EPQP
EPQP
7 months ago
P(Amanda first and Beryl second in queue)
= (# ways to arrange Amanda first and Beryl second in queue)/(# ways to arrange all 7 in queue with no restrictions)
=5!/7!
=1/42

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ann
Ann
7 months ago
thank u so much