The distance travelled to work by the employees of PUP may be modelled by a normal distribution with a mean of 7.5 km and a standard deviation of 2.5 km. Find the probability that the distance travelled to work by randomly selected employee is: a. At least 4 km b. At most 11 km c. How many employees of PUP travel 10 km to 12 km to go to work?

MATLAB: An Introduction with Applications
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The distance travelled to work by the employees of PUP may be modelled by a normal distribution with a mean of 7.5 km and a standard deviation of 2.5 km. Find the probability that the distance travelled to work by randomly selected employee is:

a. At least 4 km

b. At most 11 km

c. How many employees of PUP travel 10 km to 12 km to go to work? 

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