Mathematics (AS & A Level) · May / June 2021 · Paper 61 · Question 1
9709
As printed in the paper
The question as text
Accidents at two factories occur randomly and independently. On average, the numbers of accidents per month are 3.1 at factory A and 1.7 at factory B. Find the probability that the total number of accidents in the two factories during a 2-month period is more than 3. [4]
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.