CET2 Revision

Front

Jota rolls a fair six-sided dice.

Jota says, ‘I am less likely to roll a 5 than any of the other numbers on the dice.’ Explain why Jota is wrong.

Back

Front

A box contains 10 number cards labeled from 1 to 10. If a card is drawn at random, what is the probability that the number on the card is prime number.

Back

Front

A basketball player scored the following points in four games:

      10, 15, 14, 13

       What is the player’s average score per game?

Back

13

Front

Ota and Jota roll two fair six-sided dice. How many different outcomes are possible?

Back

36

Front

Two fair six-sided dice are rolled. What is the probability of getting A sum of 3?

Back

Front

A fair six-sided die is rolled. What is the probability of rolling a 5 or a 4?

Back

Front

What is the probability of rolling an even number on a fair six-sided die?

Back

Front

A student scored the following marks in five tests:

      75, 85, 85, 80, 75

       What is the student’s average score?

Back

80

Front

If two fair six-sided dice are rolled, what is the probability of getting a sum of 4?

Back

Front

Ahmed counts the types of vehicles that pass his school on one day. He records the data on a waffle diagram.

Ahmed says, ‘If we count for half an hour, instead of one day, the waffle diagram will be the same.’ Explain why Ahmed could be wrong.

Back

Ahmed could be wrong because traffic changes throughout the day. In half an hour, fewer vehicles are counted, and the types of vehicles may not match the full day's pattern