6
QuizMultiple Choice

Discrete Random Variables – Mean

Question 6 • NC-Math 4

Hannah has a chicken coop with 6 hens. Let X represent the total number of eggs the hens lay on a randomly chosen day. The distribution for X is given in the table.Which is the correct interpretation of the standard deviation?

Question illustration
Answer
A
The number of eggs laid on a randomly selected day would typically vary from the expected number of eggs by 1.96 eggs.
B
The mean number of eggs laid on a randomly selected day would typically vary by 1.96 from the expected number of eggs.
C
The number of eggs laid on a randomly selected day would typically vary from the expected number of eggs by 1.4 eggs.
D
The mean number of eggs laid on a randomly selected day would typically vary by 1.4 from the expected number of eggs.
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