Mathematics (AS & A Level) · May / June 2022 · Paper 53 · Question 6
9709
As printed in the paper
The question as text
Sajid is practising for a long jump competition. He counts any jump that is longer than 6m as a success. On any day, the probability that he has a success with his first jump is 0.2. For any subsequent jump, the probability of a success is 0.3 if the previous jump was a success and 0.1 otherwise. Sajid makes three jumps.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
6(a)[2]
6(b)[5]
6(c)[3]
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.