Probability 7th

What is the probability of flipping two fair coins and having both show tails?

You find probability by setting up a ​ (a)   . This should be equal to ​ (b)   over ​ (c)   .

• proportion

• event

• total

• probability

• prediction

• equal

Mr. Cuba rolls a standard number cube 24 times. Which is the best prediction of the number of times he will roll a number that is even AND less than 4.

• 4

• 8

You flip a coin 18 times. You would expect it to land on heads about ____ times.

You roll a standard number cube one time. What is the probability that you get a 3 or 4?

Which proportion could help you find probability?

[Select Multiple] Which of the following could be a probability?

• 1

• .5

• -1

• 30%

Katrina has a bag of coins with 7 quarters, 4 dimes, 6 nickels, and 3 pennies. She will randomly select one coin from the bag. What is the probability of selecting a nickel?

Which of the following shows the sample space of flipping two coins?

• {HH, HT, TH, TT}

• {H, T}

• {HH, TT}

• {HT, HT}

Match the following theoretical probabilities.

• Rolling a Die

• Flipping a Coin

• Choosing from Red, Green, Yellow, or Blue

• Rolling a 5 or 6 on a Die

• Spinner with 8 Equal Sections