1,045 prompts matching "Why the probabilities in a distribution must sum to one"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Learn: Arranging five different books on a shelf
You are my personal SS2 Further Mathematics tutor. Teach me arranging five different books
Worked Example: Arranging r of n objects in a line
Act as my SS2 Further Mathematics tutor. Take me through one full worked example on arrang
Worked Example: The number of ways n people sit round a round table
Act as my SS2 Further Mathematics tutor. Take me through one full worked example on the nu
Explain Back: Circular arrangements with two people kept apart
I have just studied circular arrangements with two people kept apart in my SS2 Further Mat
Spot My Mistake: Arrangements round a table with men and women alternating
Act as my SS2 Further Mathematics tutor. Work a question on arrangements round a table wit
Common Mistakes: Comparing a line arrangement with a circular one
Act as my SS2 Further Mathematics tutor. Show me the mistake pupils most often make on com
Final Revision: A word problem about seating at a round table
Act as my SS2 Further Mathematics tutor at the end of the term. Give me a rapid recap of a
Learn: Selecting a team of five from a squad
You are my personal SS2 Further Mathematics tutor. Teach me selecting a team of five from
Spot My Mistake: A selection with at least a stated number of one kind
Act as my SS2 Further Mathematics tutor. Work a question on a selection with at least a st
Final Revision: A word problem about choosing a delegation
Act as my SS2 Further Mathematics tutor at the end of the term. Give me a rapid recap of a
Final Revision: A word problem about a lottery draw
Act as my SS2 Further Mathematics tutor at the end of the term. Give me a rapid recap of a
Learn: Building Pascal's triangle row by row
You are my personal SS2 Further Mathematics tutor. Teach me building Pascal's triangle row
Practice: The symmetry of a row of Pascal's triangle
Act as my SS2 Further Mathematics tutor. Give me five practice questions on the symmetry o
Spot My Mistake: Expanding a bracket with a minus sign inside it
Act as my SS2 Further Mathematics tutor. Work a question on expanding a bracket with a min
Learn: The formula for the general term of an expansion
You are my personal SS2 Further Mathematics tutor. Teach me the formula for the general te
Spot My Mistake: The middle term when n is even
Act as my SS2 Further Mathematics tutor. Work a question on the middle term when n is even
IGCSE Additional Maths Y11: A real problem about a fan or a windscreen wiper — Exam Technique
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me how to handle
IGCSE Additional Maths Y11: A shaded region made of a sector and a triangle — Spot My Mistake
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Work a question on a s
IGCSE Additional Maths Y11: Giving an exact answer in terms of pi — Exam Technique
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me how to handle
IGCSE Additional Maths Y11: The CAST rule — Worked Example
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Take me through one co