Tree heights: Cherry trees in a certain orchard have heights that are normally distributed with mean = 112 inches and standard

Question

Tree heights: Cherry trees in a certain orchard have heights that are normally distributed with mean = 112 inches and standard deviation a= 10 inches. Use
the Cumulative Normal Distribution Table to answer the following.
(a) Find the 22nd percentile of the tree heights.
(b) Find the 80th percentile of the tree heights.
(c) Find the first quartile of the tree heights.
(d) An agricultural scientist wants to study the tallest 1% of the trees to determine whether they have certain gene that allows them to grow taller. To do this,
she needs to study all the trees above a certain height. What height is this?
Round the answers to at least two decimal places.
Part: 0/4
Part 1 of 4
The 22nd percentile of the tree heights is
inches.
X

Kunduz · Accepted Answer

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