Mathematics (AS & A Level) · Oct / Nov 2024 · Paper 51 · Question 2
9709
As printed in the paper
The question as text
The random variable X takes the values -2, -1, 0, 2, 3. It is given that ( ) ( ) X x k x 2 = = + P 2 , where k is a positive constant.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
2(a)[3]
2(b)[3]
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.