Skip to content

Course home

Sign up

4.2 Statistical distributions (A-level only)

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748
Question 4

Given that X∼N(30,16)X \sim N(30, 16)X∼N(30,16) find the following probabilities:

a.

P(X>34)P(X > 34)P(X>34)

[1]
b.

P(X<26.8)P(X < 26.8)P(X<26.8)

[1]
c.

P(25<X<31)P(25 < X < 31)P(25<X<31)

[1]
Markscheme

4.2 Statistical distributions (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.2 Statistical distributions (A-level only)

324 exam-style questions on WJEC A Level Maths 4.2 Statistical distributions (A-level only), covering 4.2.1 Statistical distributions (A-level only), 4.2.2 Statistical distributions (A-level only), and 4.2.3 Statistical distributions (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank