Probability Review #3

Probability Review

Probability Scale

Categorize

Options (8)

rolling two standard dice (1-6) and getting a sum of 13

a 30% chance of snow

a 66% chance of rain

having a baby and it being a girl

flipping a coin and it landing heads up three times in a row

a player with a 0.875 batting average hitting the next pitch

rolling an odd number on a standard number cube (1-6)

picking a diamond, heart, spade, or club from a standard deck of cards

Organize each event based on its likelihood.

Impossible or Certain

Unlikely

Equally Likely

Likely

Probability

Math Response

What is the probability of the spinner landing on a one-digit number?

Enter your answer as a percent (no percent sign).

Type answer here

Correct Answer: 90

Deg^°

Rad

Math Response

What is the probability of the spinner landing on a number less than 7?

Enter your answer as a simplified fraction.

Type answer here

Correct Answer: \frac{3}{5}

Deg^°

Rad

Math Response

What is the probability of choosing a green or red marble?

Enter your answer as a simplified fraction.

Type answer here

Correct Answer: \frac{7}{12}

Deg^°

Rad

• what actually happens

• based on data

Experimental

• what should happen

Theoretical

Probability

Math Response

The table shows the color of marbles in a bag.

Each student chose a marble, logged the color chosen, and put the marble back in the bag.

What is the theoretical probability of choosing a pink marble?

Enter your answer as a decimal.

Type answer here

Correct Answer: 0.25

Deg^°

Rad

Math Response

The table shows the color of marbles in a bag.

Each student chose a marble, logged the color chosen, and put the marble back in the bag.

What is the experimental probability of choosing a pink marble?

Enter your answer as a simplified fraction.

Type answer here

Correct Answer: \frac{1}{6}

Deg^°

Rad

Math Response

The table shows the color of marbles in a bag.

Each student chose a marble, logged the color chosen, and put the marble back in the bag.

What is the experimental probability of choosing a black or blue marble?

Enter your answer as a simplified fraction.

Type answer here

Correct Answer: \frac{1}{2}

Deg^°

Rad

Predicting Probability

Set up & solve a proportion.

Math Response

If you flip a coin 250 times, how many times should you expect it to land tails up?

Type answer here

Correct Answer: 125

Deg^°

Rad

Math Response

If you toss a die 240 times, how many times should you expect to roll a 3 or 5?

Type answer here

Correct Answer: 80

Deg^°

Rad

Compound Probability

Finding the probability of multiple events happening one after another.

tables....organized lists....tree diagrams

These help create the sample space.

Multiple Choice

Customers at a deli make a couple choices when ordering a sandwich. Customers must choose the type of bread and cheese they would like. The table shows the menu of choices available.

Which tree diagram shows all the possible outcomes correctly?

Fundamental Counting Principle

Multiplying the number of individual options together will tell how many possible combinations are available

Math Response

Anna has 2 skirts and 3 tops. How many combinations can she create if she wears only 1 top and 1 skirt at a time?

Type answer here

Correct Answer: 6

Deg^°

Rad

Compound Probability

Multiply the individual probabilities together to find the probability of the compound event occurring

What is the probability of spinning a 3 and the coin landing tails up?

Multiple Choice

A student spins the spinner once and rolls the 1−6 number cube once.

What is the probability a student spins an even number and rolls an odd number, written as a percentage?

• $$12.5\%$$

• $$37.5\%$$

• $$25\%$$

• $$50\%$$

Multiple Choice

A fair coin is tossed three times in a row. What is the probability of getting two tails in a row?

• 0.125

• 0.375

• 0.625

• 0.875

Complete the review on Quizizz that is linked on Canvas.