The random variable XXX follows a normal distribution such that X∼N(μ,σ2)X \sim \text{N}(\mu, \sigma^2)X∼N(μ,σ2).
Given that P(X<42)=0.8P(X < 42) = 0.8P(X<42)=0.8, find:
P(X>42)P(X > 42)P(X>42)
P(μ<X<42)P(\mu < X < 42)P(μ<X<42)
P(X>μ∣X<42)P(X > \mu \mid X < 42)P(X>μ∣X<42)
Practise Edexcel A Level Maths Finding Probabilities for Normal Distributions with exam-style questions for A Level Maths. 80 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
