Prediction: Fluency & Practice
Mathematics
GCSE Foundation
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on predicting expected frequencies in probability, designed for GCSE Foundation students to develop procedural fluency and problem-solving skills.
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Full preview • 11 questions
Prediction: Fluency & Practice
Subject: MathematicsGrade: GCSE Foundation
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Untitled Worksheet
Grade GCSE Foundation
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the expected frequency of red balls drawn from a bag containing 120 balls, where 30% are red, in 200 draws.
[3 marks]2.
A survey shows that out of 150 people, 45 prefer tea. If 240 people are surveyed, estimate how many prefer tea.
[3 marks]3.
A factory produces 1000 widgets, with 5% defective. How many defective widgets are expected in a batch of 100 widgets?
[2 marks]4.
In a class of 40 students, 25% are left-handed. How many left-handed students are expected?
[2 marks]5.
Plot the graph of y = 0.5x for x = 0 to 10.
[2 marks]6.
Construct a bar chart on the grid to show the expected number of students preferring each of four different sports, given the total survey data.
[3 marks]7.
A spinner is divided into 8 equal sectors numbered 1 to 8. What is the expected number of spins until the number 5 appears for the first time in 64 spins?
[3 marks]8.
A bag contains 60 sweets, of which 15 are lemon-flavored. If 20 sweets are randomly selected, estimate how many lemon sweets are expected.
[2 marks]9.
A die is rolled 120 times. Calculate the expected number of times a six will appear.
[2 marks]10.
In a survey, 200 people were asked about their preferred mode of transport. If 30% prefer cars, estimate how many prefer cars out of 350 people.
[3 marks]11.
A box contains 50 bulbs, of which 10 are defective. If 10 bulbs are randomly tested, what is the expected number of defective bulbs found?
[2 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet