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

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)
RELATED QUESTIONS
Suppose that people's heights (in centimeters) are normally distributed, with a mean of... (answered by stanbon)

The average height of flowering cherry trees in a certain nursery is 9.5 feet. If the... (answered by stanbon)

The heights of a certain species of plant are normally distributed, with mean 22 cm and... (answered by Fombitz)

The heights of certain species of plants are no more distributed, width, mean 24 cm and... (answered by ikleyn)

Assume that women have heights that are normally distributed with a mean of 63.6 inches... (answered by math_tutor2020)

Suppose that people's heights (in centimeters) are normally distributed, with a mean of... (answered by ewatrrr)

The average height of flowering cherry trees in a nursery is 10.5 feet. If the heights... (answered by stanbon)

The mean height of a population of girls aged 15 to 19 years in a certain population was... (answered by ikleyn)

The mean height of a population of girls aged 15 to 19 years in a certain population was (answered by GingerAle)