The distribution of the number of Halloween treats consumed on Halloween night h

Question

The distribution of the number of Halloween treats consumed on Halloween night has a mean of 10 and a standard deviation of 6.
What is the Z score of a child eating 20 treats? What is the Z score of a child eating 5 treats? How many treats did a child eat who has a Z score of -1.5? What percentage of children ate 15 or more treats?
Show how you arrived at the answer. The distribution of the number of Halloween treats consumed on Halloween night has a mean of 10 and a standard deviation of 6.
What is the Z score of a child eating 20 treats? What is the Z score of a child eating 5 treats? How many treats did a child eat who has a Z score of -1.5? What percentage of children ate 15 or more treats?
Show how you arrived at the answer.
What is the Z score of a child eating 20 treats? What is the Z score of a child eating 5 treats? How many treats did a child eat who has a Z score of -1.5? What percentage of children ate 15 or more treats?
Show how you arrived at the answer.

Explanation / Answer

answer

a) z score=20-10/6

=10/6=1.67

b)z score=5-10/6

=-5/6=-0.83

c) x-10/6=-1.5

x-10=-9

x=-9+10

x=1

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