GCSE Secondary Maths Age 13-17 - Probability & Statistics: Probability - Explained
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
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7 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
How many customers visited the shop 5 or more times according to Leona's survey?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the probability that a randomly chosen customer went to the shop 5 or more times?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
What was the total number of customers surveyed by Leona?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Estimate the number of customers who went to the shop exactly 2 times last month.
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
What are two reasons why the sample of customers surveyed after 9:00 AM may not be suitable?
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
What could be the implications of surveying only non-working adults and pensioners?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
Why is it important to have a random sample when conducting a survey?
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