Permutations, Combinations and Probability

What is the formula for Permutations?

• n!
• ^n!∕_(n-r)!
• ^n!∕_(n-r)! r!
• ^r!∕_{(r-n)! n!}

Tags

CCSS.HSS.CP.B.9

What is the formula for Combinations?

• ^n!∕_(n-r)! r!
• ^n!∕_(n-r)!
• ^r!∕_{(r-n)! n!}
• n!

Tags

CCSS.HSS.CP.B.9

If all items chosen are treated the same it is a ....

• Comparision
• Permutation
• Combination
• Position

Tags

CCSS.HSS.CP.B.9

If all items chosen are treated differently it is a ...  

• Comparision
• Permutation
• Combination
• Position

Tags

CCSS.HSS.CP.B.9

What is the n value for choosing 5 cards from a standard deck of cards? 

• 2
• 5
• 13
• 52

Tags

CCSS.HSS.CP.B.9

What is the r value for choosing 5 cards from a standard deck of cards? 

• 2
• 5
• 13
• 52

Tags

CCSS.HSS.CP.B.9

How many ways can 8 cheerleaders be chosen for 3 positions on the cheer team?

• 24
• 56
• 128
• 336

Tags

CCSS.HSS.CP.B.9

How many ways can 9 runners medal (Gold, Silver or Bronze) in a race?

• 27
• 84
• 216
• 504

Tags

CCSS.HSS.CP.B.9

Your chores are to clean your room and take out the trash
Event A is you clean your room
Event B is you take out the trash
(¬ indicates "not")
What does A∩¬B mean

• You don't clean your room and take out the trash.
• You clean your room or take out the trash
• You clean your room and take out the trash
• You clean your room but didn't take out the trash

Tags

CCSS.HSS.CP.A.1

Your chores are to clean your room and take out the trash
Event A is you clean your room
Event B is you take out the trash
(¬ indicates "not")
What does A∪¬B

• You clean your room or don't take out the trash
• You don't clean your room or take out the trash
• You clean your room and take out the trash
• You clean your room or take out the trash

Tags

CCSS.HSS.CP.A.1