Probability Test - KZ

How many different arrangements can be made with the letters in the word POWER?

• 120

• 5

• 115

• 24

While attending a film festival you decide that there are 13 movies that you are interested in seeing. However, you only have time to see 7. In how many different ways can you watch 7 of the 13 movies?

• 1,716

• 8,648,640

• 13,000

• 13

Tony Maroni's pizza shop offers 15 toppings for their pizzas and you can choose any 3 of them for one fixed price. How many different types of pizzas can you order with 3 toppings?

• 2730

• 15

• 455

• 45

Find the value of ₁₁P₄.

• 330

• 11

• 44

• 7,920

Find the value of ₅C₄.

• 5

• 20

• 9

• 4

You can't remember the 5-digit code for your garage door at home. You know the numbers are 3, 5, 6, 8, 9. How many different possible combinations are possible?

• 5

• 120

• 9

• 115

You can't remember the 5-digit code for your garage door at home. You know the numbers are 3, 5, 6, 8, 9. What is the probability that you guess the correct code on the first try? (HINT: You need to first calculate the number of possible codes.)

• 1/120 = 0.8%

• 1/9 = 11%

• 1/5 = 20%

• 0/120 = 0%

The probability of an event plus the probability of the complement to the event will always add up to ......

• 0%

• 100%

• 50%

• 1%

What is the probability of choosing a FACE card OR a CLUB? (HINT: Remember to ask yourself if there is an overlap. If there is, remember to subtract out any outcomes counted more than once.)

• about 48%

• about 42%

• 12%

• 13%

What is the probability of choosing an ACE on your FIRST PICK AND THEN a JACK on your second pick? You DID NOT replace the first card! Be careful with your 2nd fraction's denominator.

• about 0.6%

• about 8%

• about 0.4%

• about 10%