Skip to content

Course home

2.4 Statistical Distributions

2.4 Statistical Distributions

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435363738394041424344
Question 7

Given that X∼N(50,64)X \sim N(50, 64)X∼N(50,64) find the following probabilities

a.

P(X>62)P(X > 62)P(X>62)

[1]
b.

P(X<44)P(X < 44)P(X<44)

[1]
c.

P(48<X<58)P(48 < X < 58)P(48<X<58)

[1]
Markscheme

2.4 Statistical Distributions Questions

  1. A Level
  2. /Maths
  3. /2.4 Statistical Distributions

390 exam-style questions on OCR A Level Maths 2.4 Statistical Distributions, covering 2.4.1 Discrete probability distributions, 2.4.2 Binomial distribution as a model, 2.4.3 Calculating binomial probabilities, 2.4.4 Mean and variance of the binomial (A-level only), 2.4.5 Normal distribution as a model (A-level only), 2.4.6 Probabilities using the normal distribution (A-level only), 2.4.7 Links to histograms, mean and standard deviation (A-level only), and 2.4.8 Selecting an appropriate distribution (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank