Given that X∼N(20,25)X \sim N(20, 25)X∼N(20,25) find the following probabilities
a.
P(X>25)P(X > 25)P(X>25)
[1]
b.
P(X<14.8)P(X < 14.8)P(X<14.8)
[1]
c.
P(13<X<19)P(13 < X < 19)P(13<X<19)
[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.