Probability Review

Lauren spins the spinner with 8-equal sized sections one time. Drag the tiles to arrange the events in order from least likely to most likely.

• spinning a 4 or 5

• spinning a 6

• spinning an even number

• spinning a number greater than 5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A box contains 4 red pencils, 6 blue pencils, 5 black pencils, and 3 green pencils. The best description of the likelihood of selecting a blue pencil at random from the box is ​​​ (a)   . ​ ​

• unlikely
• impossible
• equally likely
• likely
• certain

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Which of the following best describes the likelihood of the spinner landing on a number less than 6?

• impossible

• unlikely

• equally likely

• likely

• certain

Tags

CCSS.7.SP.C.5

Joseph rolled a number cube 50 times. The table shows the cumulative results of each roll. What is the relative frequency of rolling a 4? Select all that apply.

• 0.18

• 67.7%

• 18%

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

Suppose a 4 is rolled on a number cube with sides numbered 1, 2, 3, 4, 5, and 6. What is the probability of not rolling a 4, written as a fraction in simplest form?

If you toss a coin 10 times and get tails each time, which of the following is true?

• The probability of getting a tail on the next toss is greater than the probability of getting a head.

A fair spinner with sections 1 through 5 is spun 50 times. The results are shown in the table. Which section's experimental probability comes closest to 0.20?

​ ​ ​ ​ ​ ​ (a)  

• Section 4
• Section 1
• Section 3
• Section 5
• Section 2

Papa Johns wants to determine how often it delivers to three different areas of Twinsburg. The table shows the areas from a random sample of 80 deliveries. Based on this data, if the driver makes 200 deliveries, how many will be to the southern area of Twinsburg?

• 35

• 55

• 80

• 110

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Julie created a weighted number generator that produces the integers 0 to 4. She then runs the generator 500 times. The results are shown in the table. If Julie runs the generator a total off 4,000 times, which is the closest to the expected number of times the integer 1 is produced?

• 385

• 590

• 975

• 1225