9709 P62 - Jun 2016 - Q6
3141
The time in minutes taken by Peter to walk to the shop and buy a newspaper is normally distributed with mean 9.5 and standard deviation 1.3.
- Find the probability that on a randomly chosen day Peter takes longer than 10.2 minutes.
- Calculate an estimate of the number of days in a year (365 days) on which Peter takes less than 8.8 minutes to walk to the shop and buy a newspaper.
