7
QuizMultiple Choice
Discrete Random Variables – Mean — Unit test
Question 7 • NC-Math 4
The graph shows the distribution of weights (in pounds) for male duck-billed platypuses.
Answer
A
The distribution is approximately Normal, with a mean of 3.75 pounds and a standard deviation of 1.56 pounds.B
The distribution is approximately Normal, with a mean of 3.75 pounds and a standard deviation of 0.52 pounds.C
The distribution is approximately Normal, with a mean of 0.52 pounds and a standard deviation of 3.75 pounds.D
The distribution is uniform, with a mean of 3.75 pounds and a standard deviation of 0.52 pounds.