Probability, Permutations and Combinations 2

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

Tags

CCSS.7.SP.C.5

Probability can be written as ...

• a fraction
• a decimal
• a percent
• all of the above

Tags

CCSS.7.SP.C.5

The probability of it raining today is 25%. What is the probability that it will NOT rain?

• 10%

• 75%

• 100%

• 35%

Tags

CCSS.7.SP.C.5

What is the probability of getting an even number when rolling a single 6 sided die?

• 1/6

• 2/6

• 3/5

• 1/2

Tags

CCSS.7.SP.C.7B

You flip a nickel four times.

Find the probability that all flips will land on tails.

P(tails then tails then tails then tails)

• 1/2

• 1/4

• 1/16

• 1/8

Find the probability of each set of independent events.

rolling a six on the first roll of a 1-6 number cube and rolling a three on the second roll of the same cube.

• 1/12

• 1/6

• 1/36

• 1/2

A piggy bank contains 4 quarters, 18 dimes, 10 nickels, and 8 pennies. A coin is chosen at random, not replaced, then another is chosen. Find the probability that you will randomly pull a quarter then a nickel out of the bank.

P (quarter, then nickel).

• 1/8

• 9/100

• 1/39

• 17/195

You have a bag of 17 marbles. Four are blue, 6 are green, 2 are red, and the others are yellow. What is the probability of drawing a blue marble, replacing it, and then drawing a yellow marble?

• 20/289

• 16/289

• 10/289

How many ways can a club select a president, vice president, and a secretary from a group of 10 people?

• 12

• 60

• 720

• 125

What does ₁₀P₅ mean?

• Permutations with 5 choices and 10 positions
• Permutations with 10 choices and 5 positions
• Permutations with 5 numbers and 10 operations
• Permutations with 5 hot dogs and 10 drinks