GCSE Secondary Maths Age 13-17 - Probability & Statistics: Independent Events - Explained

GCSE Secondary Maths Age 13-17 - Probability & Statistics: Independent Events - Explained

Assessment

Interactive Video

Mathematics

10th - 12th Grade

Hard

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The video tutorial explains the concept of probability, focusing on the likelihood of two students, Sanay and Jaden, being late for school. Alfie calculates the joint probability of both being late by multiplying their individual probabilities, assuming the events are independent. The teacher clarifies that independence means one event does not affect the other, using examples to illustrate this. The tutorial concludes by emphasizing that multiplying probabilities is valid only for independent events.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the probability that Sanay is late for school tomorrow?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the probability that Jaden is late for school tomorrow?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What assumption has Alfie made regarding the probabilities of Sanay and Jaden being late?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain what it means for two events to be independent in the context of this scenario.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Why can the probabilities of independent events be multiplied together?

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