How many boys are there in total?
GCSE Secondary Maths Age 13-17 - Probability & Statistics: Probability - Explained
Interactive Video
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Mathematics
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6th - 7th Grade
•
Hard
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The video tutorial explains how to calculate the probability of selecting a boy from a group of children who walked to a club. It starts by determining the number of boys and girls who walked, then sums them to find the total number of children. Finally, it calculates the probability and discusses the marks allocation for solving the problem.
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5 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What fraction of the boys walked to the club?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
How many girls walked to the club?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the total number of children who walked to the club?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
Calculate the probability that a randomly picked child from those who walked to the club is a boy.
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