AQA Further AS Paper 2 Statistics 2019 June — Question 1

Exam BoardAQA
ModuleFurther AS Paper 2 Statistics (Further AS Paper 2 Statistics)
Year2019
SessionJune
TopicDiscrete Probability Distributions
TypeDirect probability from given distribution

1 The discrete random variable \(X\) has the following probability distribution function $$\mathrm { P } ( X = x ) = \begin{cases} \frac { 5 - x } { 10 } & x = 1,2,3,4
0 & \text { otherwise } \end{cases}$$ Find \(\mathrm { P } ( X \geq 3 )\)
Circle your answer.
0.1
0.15
0.2
0.3