The random variable XXX has a normal distribution with mean 50 and standard deviation 8.
Find P(X<62.4)P(X < 62.4)P(X<62.4).
Find the value of kkk such that P(X<k)=0.0668P(X < k) = 0.0668P(X<k)=0.0668.
Find the value of mmm such that P(X>m)=0.0668P(X > m) = 0.0668P(X>m)=0.0668.
Find P(k<X<m)P(k < X < m)P(k<X<m).
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.
