Unit 5 Review (Probability)

Unit 5 Review (Probability) | Quizalize

45 questions

You flip a fair coin. What is P(tails)? Write your answer as a decimal.

300 sec

You randomly draw a marble from a bag of marbles that contains 7 blue marbles, 2 green marbles, and 1 red marble. What is P(not draw a blue marble)? (Write your answer as a decimal).

300 sec

Dhruv is at a car dealership. He is going to randomly select a vehicle to test drive. There are 13 trucks, 8 vans, and 4 compact cars. What is P(compact car)? (Write your answer as a decimal).

300 sec

You flip a fair coin. What is P(heads)? (Write your answer as a decimal).

300 sec

Mrs. Avery is going to randomly select one student from her class to read a poem out loud. There are 15 boys and 13 girls in her class. (Write your answer as a decimal - round to 2 decimal places).

300 sec

Greg has an MP3 player called the Jumble. The Jumble randomly selects a song for the user to listen to. Greg's Jumble has 6 classical songs, 7 rock songs, and 9 rap songs on it. What is P(not a rap song?)

300 sec

You roll a fair 6-sided die. What is P(roll a 2)? (Write your answer as a decimal - round to 2 decimal places).

300 sec

Tomer owns a daycare center called Kidz Kare. One afternoon he collected the age of each person in Kidz Kare. The following histogram summarizes the data he collected. Based on this data, what is a reasonable estimate of the probability that the next person to enter Kidz Kare is between 10 and 15 years old?

300 sec

The following table shows the number of goals that the Texas Sharpshooters scored in each of their 8 hockey games this season. Based on this data, what is a reasonable estimate of the probability that the Texas Sharpshooters score exactly 1 goal next hockey game?

300 sec

The following bar graph summarizes the weather conditions in Crayonton for each day this month so far. Based on this data, what is a reasonable estimate of the probability that it is sunny tomorrow?

300 sec

Pat's Pizza made 21 cheese pizzas, 14 veggie pizzas, 23 pepperoni pizzas, and 14 sausage pizzas yesterday. Based on this data, what is a reasonable estimate of the probability that the next pizza made is not a cheese pizza?

300 sec

Coach Kelly documented the number of points the Ragin' Cajun football team scored each game this season. The following histogram summarizes the data. Based on this data, what is a reasonable estimate of the probability that the Ragin' Cajun score 30 or more points in their next football game?

300 sec

The following table shows the length (in days) of each of the 9 Tucker family vacations. Based on this data, what is a reasonable estimate of the probability that the next Tucker family vacation lasts less than 3 days?

300 sec

Todd is training for a marathon. The following histogram summarizes the number of kilometers that he ran each day. Based on this data, what is a reasonable estimate of the probability that Todd runs more than 15 km tomorrow?

300 sec

Shaun is going to flip a fair coin 450 times. Complete the following statement with the best prediction. The coin will land tails up...

300 sec

Jeremy is going to roll a fair 6-sided die 180 times. What is the best prediction for the number of times that Jeremy will roll a number greater than 4.

300 sec

Sophia has a bag with 3 purple marbles and 4 blue marbles in it. She is going to randomly draw a marble from the bag 280 times, putting the marble back in the bag after each draw. Complete the following statement with the best prediction. Sophia will draw a purple marble.

300 sec

Ramkin is going to flip a fair coin 1200 times. What is the best prediction for the number of times that the coin will land heads up?

300 sec

Elizabeth is going to roll a fair 6-sided die 600 times. Complete the following statement with the best prediction. Elizabeth will roll an even number...

300 sec

Cam is going to roll a fair 6-sided die 2400 times. What is the best prediction for the number of times that Cam will roll the number 4?

300 sec

Electronics Unlimited sells TVs. There are 110 TVs on display in the showroom, and each TV is turned on to a random channel from a set of 11 channels: 7 sports channels, 3 news channels, and 1 movie channel. Which statement best predicts how many TVs will not be showing a sports channel?

300 sec

The probability of Jamie making money investing in bonds is 1/20. The probability of Jamie making money investing in stocks is 82%.

300 sec

Juanita and Nina are bowling together. The probability of Juanita getting a strike next game is 24%. The probability of Nina getting a strike next game is 0.17. Which of these events is more likely?

300 sec

Ahmed and Gavin are playing both chess and checkers. The probability of Ahmed winning the chess game is 45%. The probability of Ahmed winning the checkers game is 0.36. Which of these events is more likely?

300 sec

The probability of Sandy flipping a coin twice and getting heads both times is 0.25. The probability of John's spinner stopping on the color red is 1/4. Which of these events is more likely?

300 sec

Michael, Ronald, Lidia, Alexandra, and Catherine are sharing a basket of fries. The following table shows an incomplete probability model for who will eat the next fry. What is the probability that Ronald will eat the next fry?

300 sec

You just got a free ticket for a boat ride, and you can bring along 2 friends! Unfortunately, you have 5 friends who want to come along. How many different groups of friends could you take with you?

300 sec

Daniel is packing his bags for his vacation. He has 5 unique toy animals, but only 3 fit in his bag.

300 sec

You just got a free ticket for a boat ride, and you can bring along 3 friends! Unfortunately, you have 6 friends who want to come along. How many different groups of friends could you take with you?

300 sec

Ashley is packing her bags for her vacation. She has 8 unique Fabergé eggs, but only 5 fit in her bag. How many different groups of 5 Fabergé eggs can she take?

300 sec

If you flip a fair coin 4 times, what is the probability that you will get exactly 2 tails?

300 sec

There are 10 students in a class: 7 boys and 3 girls. If the teacher picks a group of 4 at random, what is the probability that everyone in the group is a boy?

300 sec

If you flip a fair coin 4 times, what is the probability that you will get exactly 2 tails?

300 sec

There are 7 students in a class: 5 boys and 2 girls. If the teacher picks a group of 3 at random, what is the probability that everyone in the group is a boy?

300 sec

If you flip three fair coins, what is the probability that you'll get a head on the first flip, a tail on the second flip, and another head on the third flip?

300 sec

You're playing a game where you defend your village from an orc invasion. There are 3 characters (elf, hobbit, or human) and 5 defense tools (magic, sword, shield, slingshot, or umbrella) to pick from. If you randomly choose your character and tool, what is the probability that you won't be a hobbit or use an umbrella?

300 sec

If you flip three fair coins, what is the probability that you'll get at least two heads?

300 sec

If you roll two fair six-sided dice, what is the probability that the dice show the same number?

300 sec

If you flip a coin and roll a 6-sided die, what is the probability that you will flip a tails and roll a 2?

300 sec

Carmelo Anthony is shooting free throws. Making or missing free throws doesn't change the probability that he will make his next one, and he makes his free throws 84% of the time. What is the probability of Carmelo Anthony making all of his next 4 free throw attempts?

300 sec

If you flip a coin and roll a 6-sided die, what is the probability that you will flip a heads and roll less than a 6?

300 sec

In a class of 10, there are 2 students who forgot their lunch. If the teacher chooses 2 students, what is the probability that both of them forgot their lunch?

300 sec

A bag contains 6 red jelly beans, 4 green jelly beans, and 4 blue jelly beans. If we choose a jelly bean, then another jelly bean without putting the first one back in the bag, what is the probability that the first jelly bean will be green and the second will be red?

300 sec

A high school gym teacher randomly selects a group of two players from three students to demonstrate a basketball drill during class. The three students consists of two girls, Andrea and Marta, and one boy, Davi. The sample space of possible groups is listed below. Let A be the event that the first player the coach chooses is a girl and B be the event that the second player is a boy. What is P(A or B), the probability that the coach chooses a girl first or a boy second?

300 sec

A high school gym teacher randomly selects a group of two players from three students to demonstrate a basketball drill during class. The three students consists of two girls, Andrea and Marta, and one boy, Davi. The sample space of possible groups is listed below. Let A be the event that both students the coach chooses are girls and B be the event that the first player is a boy. What is P(A or B), the probability that the coach chooses all girls or a boy first?

300 sec

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