1 Like

Hi f5girl, welcome to SKORA.

Below is my answer, let me know if the answers are wrong.

## SPM Addmath Probability Q26

- Jaya Airlines Company offers 6 flights a week from Kuala Lumpur to Sydney. The probability that a certain flight arrives on time is 0.9 . The company will qualify to receive a monthly ‘Good Service’ award if at least five flights a week arrive on time.
(a) What is the probability that the company will receive the ‘Good Service’ award in a certain month?

(b) The Company will qualify to receive a yearly ‘Efficient Service’ award if the company receives the ‘Good Service’ award 9 times in a year. What is the probability that the company will receive the ‘Efficient Service’ award in a certain

year?

### SPM Addmath Probability Q26 Solution

1 Like

Hi,question a is correct but the answer given for question b is 0.8501