Hong Kong

Stage 4 - Stage 5

Yuri plays a game using an $8$8-sided spinner.

a

What is the chance that he spins a number less than $15$15?

likely

A

even chance

B

certain

C

impossible

D

unlikely

E

b

What is the chance that he spins the same number three times in a row?

likely

A

certain

B

impossible

C

even chance

D

unlikely

E

c

What is the chance that he spins an even number?

unlikely

A

even chance

B

impossible

C

certain

D

likely

E

d

What is the chance that he spins the number $4$4?

unlikely

A

certain

B

likely

C

impossible

D

even chance

E

Easy

Approx a minute

A fair die with the numbers $5$5, $6$6, $2$2, $4$4, $4$4 and $4$4 on it is rolled once. What is the probability of rolling a $3$3?

A fair die with faces numbered from 1 to 6 is rolled.

Every $60$60 seconds, a traffic light remains green for $21$21 seconds, yellow for $3$3 seconds and red for $36$36 seconds. Which is more likely?

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