Probability - Predictions (TEKS 7.6H)

Barney is spinning a spinner with 5 equal parts. The parts are numbered 1, 1, 2, 2, 4. Which statement is true?

• Barney is more likely to spin a 1 than a 2.

• Barney is less likely to spin a 1 than a 4.

• Barney is less likely to spin a 4 than a 2.

• Barney is equally likely to spin a 4 as a 2.

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Jimmy is rolling a 1-6 number cube. Which statement is true?

• Jimmy is equally likely to roll a 5 as an even number.

• Jimmy is equally likely to roll a 1 as an odd number.

• Jimmy is more likely to roll a 6 than a 1.

• Jimmy is equally likely to roll an even number as an odd number.

Tags

CCSS.7.SP.C.5

A bag contains 9 red tiles, 10 blue tiles, and 6 green tiles. A tile is randomly drawn from the bag. Which statement is true?

• Drawing a red tile is more likely that drawing a blue tile.

• Drawing a green tile is more likely than drawing a blue tile.

• Drawing a red tile is less likely than drawing a green tile.

• Drawing a yellow tile is impossible.

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A nickel and a dime are flipped. Which statement is true?

• Flipping two heads is more likely than flipping one head and one tail.

• Flipping two heads is less likely than flipping two tails.

• Flipping a head on the nickel and a tail on the dime are equally likely.

• Flipping two tails is equally likely as flipping one head and one tail.

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Kit spins a spinner and rolls a 1-6 number cube. The spinner has 5 equal parts numbered 1-5. Which statement is true?

• Spinning a 5 is equally likely to rolling a 5.

• Spinning an odd number is equally likely to rolling an odd number.

• Spinning a 3 is more likely than rolling a 5.

• Spinning an even number is more likely than rolling an even number.

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A set of 10 cards are numbered 1-10. One card is randomly selected from the set. Which statement is NOT true?

• Selecting a 2 is equally likely to selecting a 5.

• Selecting a multiple of 3 is equally likely to selecting a number less than 4.

• Selecting a multiple of 4 is equally likely to selecting a multiple of 5.

• Selecting an odd number is more likely than selecting a even number.

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Look at the diagram. It represents a 6-by-6 foot board. A point randomly chosen from the board 72 times.

Which statement is true?

• The selected point is more likely to be in the shaded area than the unshaded area.

• The selected point is equally likely to be in the shaded area than the unshaded area.

• The selected point is less likely to be in the shaded area than the unshaded area.

• The selected point is certain to be in the unshaded area.

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

Malik spins a spinner 50 times. The table shows the number of times the spinner lands on different colors.

Which statement is true?

• The spinner is twice as likely to land on blue as it is to land on white.

• The spinner is four times as likely to land on red as it is to land on green.

• The spinner is three times as likely to land on yellow as it is to land on blue.

• The spinner is twice as likely to land on green as it is to land on yellow.

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

A spinner is divided into 30 equal sections. Each section is labeled with a number 1-6. The table shows how many sections are labeled with each number.

Which statement is NOT true?

• The spinner is less likely to land on a number greater than 4 than on a number less than 3.

• The spinner is just as likely to land on an even number than to land on an odd number.

• The spinner is most likely to land on the number 3

• The spinner is least likely to land on the number 6.

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

A store manager receives a delivery of 2 boxes of lightbulbs. Each box contains 25 lightbulbs. The store manager tests all the lightbulbs and finds that 2 of them are defective. Based on these results, what can the store manager predict about the next delivery of light bulbs?

• A delivery of 3 boxes will contain 3 more defective light bulbs than a delivery of 2 boxes.

• A delivery of 4 boxes will contain 2 more defective light bulbs than a delivery of 2 boxes.

• A delivery of 5 boxes will contain 10 more defective light bulbs than a delivery of 2 boxes.

• A delivery of 6 boxes will contain 3 more defective light bulbs than a delivery of 2 boxes.

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2