exam
Maths Puzzle
Numerical Ability
Plot the point with coordinates (-4, 0)
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exam Other Question
1/2x+3x-4
The mean life of a belted tire is given as 45000 km. The standard deviation is 2250 km.
What percent of the tires will have a life that exceeds 47250 km?
What percent of the tires will last longer than 40500 km?