Petrol consumption for all types of small car is normally distributed with a mean of 30.5 mpg and standard deviation of 4.5 mpg. A manufacturer wants to make a car which will be more economical than 95% of small cars. What must be its consumption in mpg?

a.

37.9025 mpg

b.

30.5000 mpg

c.

50.3281 mpg

d.

23.0975 mpg

e.

26.9350 mpg