SOLUTION: Heights of certain plants at a nursery are normally distributed with a mean of 52.5 centimeters and a standard deviation of 7.2 centimeters. If their z-scores are greater than 2.25
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Question 915020: Heights of certain plants at a nursery are normally distributed with a mean of 52.5 centimeters and a standard deviation of 7.2 centimeters. If their z-scores are greater than 2.25, the plants are displayed in the main lobby. To the nearest centimeter, what is the minimum required height for this type of plant to be displayed in the main lobby?
a.69cm
b.68cm
c.56cm
d.55cm Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! mean of 52.5cm and a standard deviation of 7.2 cm
7.2(2.25) + 52.5 = X, minimum required height = 69cm (nearest centimeter)
