• Use Bayes' theorem for up to three events.
• Connect to conditional probability and independent events.
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Mastery
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Attempts
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Mistakes
Start with the concept explanation, then practise to create mastery evidence.
2
Learning objective
AHL 4.14 (HL)—Random variables and probability density
New
• Use variance of a discrete random variable.
• Use continuous random variables and probability density functions, including piecewise functions.
• Find mode, median, mean, variance and standard deviation for random variables.
• Use E(X), E(X^2), Var(X)=E(X^2)-[E(X)]^2 and linear transformations.
0%
Mastery
0
Attempts
0
Mistakes
Start with the concept explanation, then practise to create mastery evidence.