A Level Maths OCR MEI S1 Probability

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A Level Maths OCR MEI S1 Probability

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Institution Pharm - Chapter 20 Practice

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A Level Maths OCR MEI S1 Probability

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A Level Maths OCR
MEI S1 Probability
with correct answers
2025/2026
E(X) (binom dist) - correct answersnp

E(X) (prob dist) - correct answers∑(xP(X=x))

E(X) is the same as - correct answersµ

E(X)= - correct answersexpected value/expectation/(expected) mean

E(X²) - correct answers∑(x²P(X=x))

For independence P(A|B)= - correct answersP(A)

For independence P(A∩B)= - correct answersP(A)*P(B)

For mutually exclusive - correct answersP(A∩B)=0

P((A∪B)') - correct answersP(A'∩B')

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Uploaded on: October 31, 2025
Number of pages: 2
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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