Given that X∼N(15,4)X \sim N(15, 4)X∼N(15,4) find the following probabilities
a.
P(X>18.2)P(X > 18.2)P(X>18.2)
[1]
b.
P(X<13.5)P(X < 13.5)P(X<13.5)
[1]
c.
P(14<X<17)P(14 < X < 17)P(14<X<17)
[1]
Markscheme
3.2 Finding Probabilities for Normal Distributions Questions
80 exam-style questions on Edexcel A Level Maths 3.2 Finding Probabilities for Normal Distributions. Each one has a worked solution and a mark scheme showing where the marks go.