MU6D12 Qualitative and Quantitative Comparisons

A random survey was conducted of 100 customers at a bookstore to determine their favorite Harry Potter character. The results are shown in the table. Based on the results in the table, which prediction about the next customer to walk into the bookstore is true?

• The customer is more likely to choose Harry Potter as their favorite character than Sirius Black or Professor Dumbledore.

• The customer is less likely to choose Ron Weasley or Professor Dumbledore as their favorite character than Hermione Granger.

• The customer is more likely to choose Harry Potter or Professor Dumbledore as their favorite character than any of the other characters.

• The customer is less likely to choose Professor Dumbledore or Sirius Black as their favorite character than Ron Weasley or Professor Dumbledore.

Tags

CCSS.7.RP.A.3

Shania’s workout playlist includes songs from four types of music.

• 32 country songs

• 48 rap songs

• 12 hip-hop songs

• 8 blues songs

Which is the best prediction of the type of music Shania will hear when she randomly plays a song from her playlist?

• The song is 6 times as likely to be blues than it is to be rap.

• The song is 4 times as likely to be country than it is to be blues.

• The song is 3 times as likely to be country than it is to be hip-hop.

• The song is half as likely to be rap than it is to be all other songs combined.

Tags

CCSS.6.RP.A.3A

Kye is a flying disc golfer. He carries four types of flying discs in his bag.

6 drivers 4 fairway drivers 3 mid-rangers 2 putters

If Kye were to reach into his bag 60 times, which statement would be true?

• Kye is more likely to grab a mid-ranger or a putter than he is to grab a driver from his bag.

• Kye is less likely to grab a putter or a driver than he is to grab a

  fairway driver or a mid-ranger from his bag.

• Kye is equally likely to grab a driver as he is to grab a fairway driver or a putter from his bag.

• Kye is less likely to grab a driver than any other type of flying disc from his bag.

Deion has two bags of marbles. In the bag labeled ‘A’, he has 3 green, 4 blue and 10 yellow marbles. In the bag labeled ‘B’, he has 13 green, 5 blue, and 12 yellow marbles. Deion wants the bag with the highest probability of selecting a blue marble. Which of the following statements is true?

• It does not matter which bag he chooses because the probabilities are the same.

• He should choose Bag B because there are fewer blue marbles.

• He should choose Bag A because the probability of selecting a blue marble is higher.

• He should choose Bag B because the probability of selecting a blue marble is higher.

Tags

CCSS.6.RP.A.3B

Jace has two number cubes. The red number cube has the following numbers on the faces: 1, 1, 2, 2, 5, 6. The blue number cube has the following numbers on the faces: 1, 2, 2, 3, 4, 6. Which of the following is true?

• The probability of rolling a number less than 6 is the same for both number cubes.

• The probability of rolling an even number is greater for the red number cube.

• The probability of rolling an odd number is less for the red cube.

• The probability of rolling a number greater than 4 is greater for the blue cube.

Deborah surveyed customers in a restaurant to find out their favorite meal. The results of the survey are shown in the table. One person in the restaurant will be picked at random. Based on the given information, which statement is true?

• This person's favorite meal is twice as likely to be hamburger and french fries as it is to be spaghetti.

• This person's favorite meal is four times as likely to be chili as it is to be vegetarian delight.

• This person's favorite meal is more likely to be chili than hamburger and french fries.

• This person's favorite meal is equally likely to be either vegetarian delight or spaghetti.

Felix has a bucket of golf balls. The table shown the number of golf balls of each color in the bucket. Felix selects a golf ball at random. Based on the information in the table, which statement is true?

• The golf ball is more likely to be green than all other colors combined.

• The golf ball is equally likely to be pink, white, orange, or green.

• The golf ball is 2 times as likely to be orange as it is to be pink.

• The golf ball is 7 times as likely to be green as it is to be white.

Tags

CCSS.6.RP.A.3B

The manger of a movie theater randomly surveyed 50 people who entered the movie theater on Friday. The manger asked about the type of movie each person preferred. The results of the survey are shown below

• Horror- 12 People
• Comedy- 15 People
• Action- 17 People
• Drama- 6 People

Based on the result above, Which statement about a person who will go to this theater next Friday is true?

• The person is three times as likely to prefer comedy as horror

• The person is twice as likely to prefer drama as horror

• The person is less likely to prefer horror or drama than action

• The person is more likely to prefer horror or comedy than action or drama

Tags

CCSS.6.RP.A.3B