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Test: Probability - Year 8 MCQ


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10 Questions MCQ Test Year 8 Mathematics IGCSE (Cambridge) - Test: Probability

Test: Probability for Year 8 2025 is part of Year 8 Mathematics IGCSE (Cambridge) preparation. The Test: Probability questions and answers have been prepared according to the Year 8 exam syllabus.The Test: Probability MCQs are made for Year 8 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Probability below.
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Test: Probability - Question 1

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

Detailed Solution for Test: Probability - Question 1
There are 3 even numbers (2, 4, 6) out of 6 possible outcomes. So, the probability is 3/6 = 1/2.
Test: Probability - Question 2

A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. What is the probability of randomly selecting a blue marble?

Detailed Solution for Test: Probability - Question 2
There are 3 blue marbles out of a total of 10 marbles. So, the probability is 3/10.
Test: Probability - Question 3

If a spinner is divided into 8 equal sections numbered 1 to 8, what is the probability of landing on a number greater than 5?

Detailed Solution for Test: Probability - Question 3
There are 3 numbers (6, 7, 8) greater than 5 out of 8 total numbers. So, the probability is 3/8.
Test: Probability - Question 4
A fair coin is flipped. What is the probability of getting tails?
Detailed Solution for Test: Probability - Question 4
There are 2 equally likely outcomes (heads or tails). So, the probability of getting tails is 1/2.
Test: Probability - Question 5

If you draw a card from a standard deck of 52 cards, what is the probability of drawing a heart?

Detailed Solution for Test: Probability - Question 5

In a standard deck of 52 cards, there are 4 suits: hearts, diamonds, clubs, and spades. Each suit contains 13 cards.

The probability of drawing a heart can be calculated using the formula:

  • Probability = Number of favourable outcomes / Total number of outcomes

Here, the number of favourable outcomes is the 13 hearts in the deck, and the total number of outcomes is the 52 cards.

So, the calculation is:

  • Probability = 13 / 52
  • This simplifies to 1 / 4.

Thus, the probability of drawing a heart is 1/4.

Test: Probability - Question 6
In a class of 30 students, 20 play basketball and 15 play soccer. If 10 students play both sports, what is the probability that a randomly chosen student plays at least one of the sports?
Detailed Solution for Test: Probability - Question 6
Total students playing at least one sport = (20 + 15 - 10) = 25. Probability = 25/30 = 5/6 = 3/4.
Test: Probability - Question 7
A jar contains 8 red balls and 4 blue balls. If one ball is drawn at random, what is the probability that it is not blue?
Detailed Solution for Test: Probability - Question 7
Total balls = 8 + 4 = 12. Probability of not drawing a blue ball = 8/12 = 2/3.
Test: Probability - Question 8
If you spin a spinner with 5 equal sections numbered 1 to 5, what is the probability of landing on an odd number?
Detailed Solution for Test: Probability - Question 8
There are 3 odd numbers (1, 3, 5) out of 5 total numbers. So, the probability is 3/5.
Test: Probability - Question 9
A box contains 6 red balls and 4 green balls. If one ball is randomly chosen, what is the probability of choosing a red ball?
Detailed Solution for Test: Probability - Question 9
There are 6 red balls out of 10 total balls. So, the probability is 6/10 = 3/5.
Test: Probability - Question 10
If you roll a fair six-sided die, what is the probability of rolling a number greater than 4 or an even number?
Detailed Solution for Test: Probability - Question 10
Numbers greater than 4: 5, 6 (2 numbers). Even numbers: 2, 4, 6 (3 numbers). Numbers greater than 4 or even = {2, 4, 5, 6}. Probability = 4/6 = 2/3.
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